PT-2023-27641 · Tenda · Tenda Ac23

Published 2023-08-25 · Updated 2023-08-29 · CVE-2023-40797

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 issue arises from the sub 4781A4 function not validating user-entered parameters, leading to a post-authentication stack overflow. This occurs after a user has successfully authenticated, indicating a potential for significant impact. No information is provided about the estimated number of potentially affected devices worldwide or details about real-world incidents where this issue was exploited.

Recommendations For Tenda AC23 version 16.03.07.45 cn, as a temporary workaround, consider restricting access to the sub 4781A4 function until a patch is available. 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-2023-40797

Affected Products

Tenda Ac23

References · 7

• 🔥 https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/sub_4781A4 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-40797 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40797 · Vendor Advisory
• https://twitter.com/TechFishNews/status/1695142961770795120 · Twitter Post
• https://twitter.com/CVEnew/status/1695092425906106554 · Twitter Post
• https://t.me/cibsecurity/69196 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1695144900260429825 · Twitter Post