Paper/Archive/CVE-2026-129351

CVE-2026-129351

TRENDnet TEW-657BRM — TRENDnet TEW-657BRM mini_httpd setup.cgi sprintf out-of-bounds write

Description · from the CVE record

A security vulnerability has been detected in TRENDnet TEW-657BRM 1.00.1. This vulnerability affects the function sprintf of the file /setup.cgi of the component mini_httpd. Such manipulation leads to out-of-bounds write. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor explains: ""I am not able to confirm if such vulnerability exists as the product has been EOL for more than 15 years. We will send out an announcement letting customers know." This vulnerability only affects products that are no longer supported by the maintainer.

Affected

ProductAffectedFixed inSource
TEW-657BRM1.00.1–CNA

Scores by source

VulDB (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
VulDB (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

References

writeupvuldb.com/vuln/437397refvuldb.com/vuln/437397/ctiwriteupvuldb.com/cve/CVE-2026-129351writeupvuldb.com/submit/1043518exploitgithub.com/ruanyi101/router-firmware-security-advisories/blob/main/router-firmware-GitHub-advisories/advisories/TRENDnet-TEW-657BRM-mini_httpd.md