cve.bz

CWE-120: Buffer Copy without Checking Size of Input (Classic Buffer Overflow), page 23

Filter

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

What the weakness is: CWE-120 at MITRE

Ask an AI about CWE-120

Show the promptExplain CWE-120: Buffer Copy without Checking Size of Input and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/120.html and https://cve.bz/cve/cwe/120?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.

  1. 7.4CVE-2025-8138EPSS 11%

    A vulnerability was found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formOneKeyAccessButton of the component HTTP POST Request Handler. The ma…

  2. 7.4CVE-2025-8137EPSS 1.2%

    A vulnerability has been found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The mani…

  3. 7.4CVE-2025-8136EPSS 1.2%

    A vulnerability, which was classified as critical, was found in TOTOLINK A702R 4.0.0-B20230721.1521. Affected is an unknown function of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argumen…

  4. 8.1CVE-2025-31701EPSS 0.9%

    A vulnerability has been found in Dahua products. Attackers could exploit a buffer overflow vulnerability by sending specially crafted malicious packets, potentially causing service disruption (e.g., crashes) or remote code execution (RCE…

  5. 8.1CVE-2025-31700EPSS 0.9%

    A vulnerability has been found in Dahua products. Attackers could exploit a buffer overflow vulnerability by sending specially crafted malicious packets, potentially causing service disruption (e.g., crashes) or remote code execution (RCE…

  6. 7.4CVE-2025-8019EPSS 1.0%

    A vulnerability was found in Shenzhen Libituo Technology LBT-T300-T310 2.2.3.6. It has been rated as critical. Affected by this issue is the function sub_40B6F0 of the file at/appy.cgi. The manipulation of the argument wan_proto leads to b…

  7. 8.7CVE-2025-7945EPSS 7.1%

    A vulnerability was found in D-Link DIR-513 up to 20190831. It has been declared as critical. This vulnerability affects the function formSetWanDhcpplus of the file /goform/formSetWanDhcpplus. The manipulation of the argument curTime leads…

  8. 8.7CVE-2025-7914EPSS 1.0%

    A vulnerability has been found in Tenda AC6 15.03.06.50 and classified as critical. Affected by this vulnerability is the function setparentcontrolinfo of the component httpd. The manipulation leads to buffer overflow. The attack can be la…

  9. 7.4CVE-2025-7913EPSS 1.0%

    A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. Affected is the function updateWifiInfo of the component MQTT Service. The manipulation of the argument serverIp leads to buffer overflow. I…

  10. 7.4CVE-2025-7912EPSS 1.3%

    A vulnerability, which was classified as critical, has been found in TOTOLINK T6 4.1.5cu.748_B20211015. This issue affects the function recvSlaveUpgstatus of the component MQTT Service. The manipulation of the argument s leads to buffer ov…

  11. 7.4CVE-2025-7837EPSS 1.3%

    A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflo…

  12. 6.6CVE-2025-53888EPSS 0.9%

    RIOT-OS, an operating system that supports Internet of Things devices, has an ineffective size check implemented with `assert()` can lead to buffer overflow in versions up to and including 2025.04. Assertions are usually compiled out in pr…

  13. 7.4CVE-2025-7758EPSS 1.0%

    A vulnerability, which was classified as critical, has been found in TOTOLINK T6 up to 4.1.5cu.748_B20211015. Affected by this issue is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handle…

  14. 7.4CVE-2025-7747EPSS 1.0%

    A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. This affects the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. The manipulation of the argument PPW leads to …

  15. 9.8CVE-2025-51630EPSS 0.5%

    TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a buffer overflow via the ePort parameter in the function setIpPortFilterRules.

  16. 8.6CVE-2025-34128ExploitEPSS 1.5%

    A buffer overflow vulnerability exists in the X360 VideoPlayer ActiveX control (VideoPlayer.ocx) version 2.6 when handling overly long arguments to the ConvertFile() method. An attacker can exploit this vulnerability by supplying crafted i…

  17. 9.8CVE-2025-7673EPSS 0.7%

    A buffer overflow vulnerability in the URL parser of the zhttpd web server in Zyxel VMG8825-T50K firmware versions prior to V5.50(ABOM.5)C0 could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and potentially…

  18. 8.4CVE-2025-34106ExploitEPSS 0.5%

    A buffer overflow vulnerability exists in PDF Shaper versions 3.5 and 3.6 when converting a crafted PDF file to an image using the 'Convert PDF to Image' functionality. An attacker can exploit this vulnerability by tricking a user into ope…

  19. 7.4CVE-2025-7571EPSS 1.0%

    A vulnerability classified as critical has been found in UTT HiPER 840G up to 3.1.1-190328. This affects an unknown part of the file /goform/aspApBasicConfigUrcp. The manipulation of the argument Username leads to buffer overflow. It is po…

  20. 7.4CVE-2025-7570EPSS 1.3%

    A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been rated as critical. Affected by this issue is some unknown functionality of the file /goform/aspRemoteApConfTempSend. The manipulation of the argument remoteSrcTemp…

  21. 7.4CVE-2025-7468EPSS 1.0%

    A vulnerability has been found in Tenda FH1201 1.2.0.14 and classified as critical. This vulnerability affects the function fromSafeUrlFilter of the file /goform/fromSafeUrlFilter of the component HTTP POST Request Handler. The manipulatio…

  22. 7.4CVE-2025-7465EPSS 1.0%

    A vulnerability classified as critical was found in Tenda FH1201 1.2.0.14. Affected by this vulnerability is the function fromRouteStatic of the file /goform/fromRouteStatic of the component HTTP POST Request Handler. The manipulation of t…

  23. 7.4CVE-2025-7463EPSS 1.2%

    A vulnerability was found in Tenda FH1201 1.2.0.14. It has been declared as critical. This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP POST Request Handler. The manipulation …

  24. 9.8CVE-2023-38036EPSS 2.8%

    A security vulnerability within Ivanti Avalanche Manager before version 6.4.1 may allow an unauthenticated attacker to create a buffer overflow that could result in service disruption or arbitrary code execution.

  25. 7.4CVE-2025-7460EPSS 1.0%

    A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The…

  26. 6.5CVE-2025-49464EPSS 0.7%

    Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.

  27. 6.5CVE-2025-46789EPSS 0.5%

    Classic buffer overflow in certain Zoom Clients for Windows may allow an authorized user to conduct a denial of service via network access.

  28. 7.8CVE-2025-5037EPSS 0.4%

    A maliciously crafted RFA, RTE, or RVT file, when parsed through Autodesk Revit, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.

  29. 6.3CVE-2025-48386EPSS 0.4%

    Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. The wincred credential helper uses a static buffer (target) as a unique …

  30. 7.5CVE-2025-7345EPSS 1.3%

    A flaw exists in gdk‑pixbuf within the gdk_pixbuf__jpeg_image_load_increment function (io-jpeg.c) and in glib’s g_base64_encode_step (glib/gbase64.c). When processing maliciously crafted JPEG images, a heap buffer overflow can occur during…

  31. 7.8CVE-2025-27058EPSS 0.1%

    Memory corruption while processing packet data with exceedingly large packet.

  32. 7.8CVE-2025-27052EPSS 0.1%

    Memory corruption while processing data packets in diag received from Unix clients.

  33. 7.8CVE-2025-27043EPSS 0.1%

    Memory corruption while processing manipulated payload in video firmware.

  34. 7.8CVE-2025-21445EPSS 0.10%

    Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.

  35. 7.8CVE-2025-21444EPSS 0.10%

    Memory corruption while copying the result to the transmission queue in EMAC.

  36. 7.8CVE-2025-21426EPSS 0.1%

    Memory corruption while processing camera TPG write request.

  37. 5.2CVE-2025-24004EPSS 0.2%

    A physical attacker with access to the device display via USB-C can send a message to the device which triggers an unsecure copy to a buffer resulting in loss of integrity and a temporary denial-of-service for the stations until they got r…

  38. 8.2CVE-2025-24003EPSS 0.4%

    An unauthenticated remote attacker can use MQTT messages to trigger out-of-bounds writes in charging stations complying with German Calibration Law, resulting in a loss of integrity for only EichrechtAgents and potential denial-of-service …

  39. 7.4CVE-2025-7118EPSS 1.0%

    A vulnerability, which was classified as critical, has been found in UTT HiPER 840G up to 3.1.1-190328. This issue affects some unknown processing of the file /goform/formPictureUrl. The manipulation of the argument importpictureurl leads …

  40. 7.4CVE-2025-7117EPSS 1.0%

    A vulnerability classified as critical was found in UTT HiPER 840G up to 3.1.1-190328. This vulnerability affects unknown code of the file /goform/websWhiteList. The manipulation of the argument addHostFilter leads to buffer overflow. The …

  41. 7.4CVE-2025-7116EPSS 1.0%

    A vulnerability classified as critical has been found in UTT 进取 750W up to 3.2.2-191225. This affects an unknown part of the file /goform/Fast_wireless_conf. The manipulation of the argument ssid leads to buffer overflow. It is possible to…

  42. 7.4CVE-2025-7077EPSS 1.2%

    A vulnerability classified as critical has been found in Shenzhen Libituo Technology LBT-T300-T310 up to 2.2.3.6. This affects the function config_3g_para of the file /appy.cgi. The manipulation of the argument username_3g/password_3g lead…

  43. 8.1CVE-2025-50263EPSS 0.5%

    Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the list parameter.

  44. 7.5CVE-2025-50262EPSS 0.4%

    Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetQosBand function via the list parameter.

  45. 8.1CVE-2025-50258EPSS 0.5%

    Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the SetSysTimeCfg function via the time parameter.

  46. 6.5CVE-2025-50641EPSS 0.4%

    Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the addWifiMacFilter function via the parameter deviceId.

  47. 7.4CVE-2025-6953EPSS 1.0%

    A vulnerability, which was classified as critical, was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manipulation of th…

  48. 7.4CVE-2025-6940EPSS 1.0%

    A vulnerability classified as critical was found in TOTOLINK A702R 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown functionality of the file /boafrm/formParentControl of the component HTTP POST Request Handler. The manip…

  49. 7.4CVE-2025-6939EPSS 1.0%

    A vulnerability classified as critical has been found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. The manipulation of the argume…

  50. 7.4CVE-2025-6882EPSS 0.8%

    A vulnerability classified as critical has been found in D-Link DIR-513 1.0. This affects an unknown part of the file /goform/formSetWanPPTP. The manipulation of the argument curTime leads to buffer overflow. It is possible to initiate the…