{"cve":"CVE-2023-23110","nvd":{"published":"2023-02-02T15:17:43.473","modified":"2026-06-17T05:36:42.533","status":"Modified","description":"An exploitable firmware modification vulnerability was discovered in certain Netgear products. The data integrity of the uploaded firmware image is ensured with a fixed checksum number. Therefore, an attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the checksum verification. This affects WNR612v2 Wireless Routers 1.0.0.3 and earlier, DGN1000v3 Modem Router 1.0.0.22 and earlier, D6100 WiFi DSL Modem Routers 1.0.0.63 and earlier, WNR1000v2 Wireless Routers 1.1.2.60 and earlier, XAVN2001v2 Wireless-N Extenders 0.4.0.7 and earlier, WNR2200 Wireless Routers 1.0.1.102 and earlier, WNR2500 Wireless Routers 1.0.0.34 and earlier, R8900 Smart WiFi Routers 1.0.3.6 and earlier, and R9000 Smart WiFi Routers 1.0.3.6 and earlier.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","score":7.4},"cwes":["CWE-494"],"references":["https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/BkBPIeGco","https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/H1lIcXbco","https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/HyZRxmb9s","https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/S1BNhbWqi","https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/S1qWglM5o"],"products":["netgear:d6100_firmware","netgear:dgn1000v3_firmware","netgear:r8900_firmware","netgear:r9000_firmware","netgear:wnr1000v2_firmware","netgear:wnr2200_firmware","netgear:wnr2500_firmware","netgear:wnr612v2_firmware","netgear:xavn2001v2_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2023-23110","score":0.00574,"percentile":0.47381,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}