PT-2023-27686 · Tenda · Tenda Ac8

Published 2023-08-24 · Updated 2025-12-08 · CVE-2023-40892

Positive Technologies (AI Summary)

CVSS v3.1

10

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 parameters schedStartTime and schedEndTime at the "/goform/openSchedWifi" endpoint.

Recommendations For Tenda AC8 version US AC8V4.0si V16.03.34.06 cn, as a temporary workaround, consider restricting access to the "/goform/openSchedWifi" endpoint until a patch is available. Avoid using the parameters schedStartTime and schedEndTime in the affected 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:2026-00790

CVE-2023-40892

Affected Products

Tenda Ac8

References · 8

• 🔥 https://github.com/peris-navince/founded-0-days/blob/main/ac8/setSchedEWifi/1.md · Exploit
• https://osv.dev/vulnerability/CVE-2023-40892 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-40892 · Security Note
• https://bdu.fstec.ru/vul/2026-00790 · Security Note
• https://github.com/peris-navince/founded-0-days/blob/main/Tenda/ac8/setSchedEWifi/1.md · Note
• https://t.me/cibsecurity/69144 · Telegram Post
• https://t.me/cvenotify/57211 · Telegram Post
• https://t.me/cveNotify/145105 · Telegram Post