CVE-2025-15234

A weakness has been identified in Tenda M3 1.0.0.13(4903). Impacted is the function formSetRemoteInternetLanInfo of the file /goform/setInternetLanInfo. This manipulation of the argument portIp/portMask/portGateWay/portDns/portSecDns causes heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

CVSS 4.0

7.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

2.9% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-122

Published

2025-12-30

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• tenda:m3_firmware

References

• https://github.com/dwBruijn/CVEs/blob/main/Tenda/setRemoteInternetLanInfo.md
• https://vuldb.com/?ctiid.338630
• https://vuldb.com/?id.338630
• https://vuldb.com/?submit.725496
• https://www.tenda.com.cn/

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