PT-2023-5516 · Tenda · Tenda Ac18

Published 2023-08-14 · Updated 2023-08-18 · CVE-2023-39829

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda A18 version V15.13.07.09

Description The issue is related to a stack overflow in the fromSetWirelessRepeat function, which can be triggered via the wpapsk crypto2 4g parameter. This can potentially allow a remote attacker to cause a denial of service.

Recommendations For Tenda A18 version V15.13.07.09, as a temporary workaround, consider restricting access to the fromSetWirelessRepeat function until a patch is available. Avoid using the wpapsk crypto2 4g parameter in the affected function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-06164

CVE-2023-39829

Affected Products

Tenda Ac18

References · 9

• 🔥 https://github.com/lst-oss/Vulnerability/tree/main/Tenda/A18/fromSetWirelessRepeat · Exploit
• https://safe-surf.ru/upload/VULN-new/VULN.2023-09-15.1.pdf · Security Note
• https://bdu.fstec.ru/vul/2023-06164 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-39829 · Security Note
• https://osv.dev/vulnerability/CVE-2023-39829 · Vendor Advisory
• https://twitter.com/CVEnew/status/1691191291801956352 · Twitter Post
• https://t.me/cvenotify/56463 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1691219781716738050 · Twitter Post
• https://vuldb.com/ru/?id.237180 · Note