PT-2023-27642 · Tenda · Tenda Ac23

Published 2023-08-25 · Updated 2023-08-29 · CVE-2023-40798

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AC23 version 16.03.07.45 cn

Description The formSetIPv6status and formGetWanParameter functions do not authenticate user input parameters, resulting in a post-authentication stack overflow vulnerability.

Recommendations For Tenda AC23 version 16.03.07.45 cn, as a temporary workaround, consider disabling the formSetIPv6status and formGetWanParameter functions until a patch is available. Restrict access to these functions to minimize the risk of exploitation. Avoid using unauthenticated input parameters in the affected functions until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2023-40798

Affected Products

Tenda Ac23

References · 8

• 🔥 https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/formSetIPv6status-formGetWanParameter · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-40798 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40798 · Vendor Advisory
• https://twitter.com/CVEnew/status/1695092427680350658 · Twitter Post
• https://t.me/cvenotify/57319 · Telegram Post
• https://twitter.com/TechFishNews/status/1695142967105949947 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1695145154275864864 · Twitter Post
• https://t.me/cibsecurity/69200 · Telegram Post