PT-2023-27691 · Tenda · Tenda Ac8

Published 2023-08-24 · Updated 2023-08-29 · CVE-2023-40898

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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 timeZone parameter at the "/goform/SetSysTimeCfg" 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/SetSysTimeCfg" API endpoint to minimize the risk of exploitation. Avoid using the timeZone parameter 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

CVE-2023-40898

Affected Products

Tenda Ac8

References · 5

• 🔥 https://github.com/peris-navince/founded-0-days/blob/main/ac8/SetSysTimeCfg/1.md · Exploit
• https://osv.dev/vulnerability/CVE-2023-40898 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-40898 · Security Note
• https://t.me/cibsecurity/69151 · Telegram Post
• https://t.me/cvenotify/57205 · Telegram Post