PT-2023-27688 · Tenda · Tenda Ac8

Published 2023-08-24 · Updated 2023-09-11 · CVE-2023-40894

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda AC8 version US AC8V4.0si V16.03.34.06 cn

Description A stack overflow issue was discovered via the parameter list at the "/goform/SetStaticRouteCfg" API endpoint. This issue affects the Tenda AC8 router.

Recommendations For Tenda AC8 version US AC8V4.0si V16.03.34.06 cn, as a temporary workaround, consider restricting access to the "/goform/SetStaticRouteCfg" API endpoint until a patch is available. Avoid using the parameter list in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-00788

CVE-2023-40894

Affected Products

Tenda Ac8

References · 7

• 🔥 https://github.com/peris-navince/founded-0-days/blob/main/ac8/fromSetStaticRouteCfg/1.md · Exploit
• https://bdu.fstec.ru/vul/2026-00788 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40894 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-40894 · Security Note
• https://github.com/peris-navince/founded-0-days/blob/main/Tenda/ac8/fromSetStaticRouteCfg/1.md · Note
• https://t.me/cvenotify/57209 · Telegram Post
• https://t.me/cibsecurity/69143 · Telegram Post