PT-2023-7624 · Tenda · Tenda Ac23

Wjp911 · Published 2023-02-11 · Updated 2024-05-17 · CVE-2023-0782

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 AC23 version 16.03.07.45

Description The issue is related to a stack-based buffer overflow in the formSetSysToolDDNS/formGetSysToolDDNS function of the /bin/httpd file. This can be exploited by a remote attacker to cause a denial of service. The attack may be launched remotely.

Recommendations For Tenda AC23 version 16.03.07.45, as a temporary workaround, consider disabling the formSetSysToolDDNS/formGetSysToolDDNS function until a patch is available. Restrict access to the /bin/httpd file to minimize the risk of exploitation. 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:2023-08684

CVE-2023-0782

Affected Products

Tenda Ac23

References · 8

• 🔥 https://github.com/jingping911/tendaAC23overflow/blob/main/README.md · Exploit
• https://bdu.fstec.ru/vul/2023-08684 · Security Note
• https://osv.dev/vulnerability/CVE-2023-0782 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-0782 · Security Note
• https://vuldb.com/?ctiid.220640 · Note
• https://t.me/cvenotify/44128 · Telegram Post
• https://vuldb.com/?id.220640 · Note
• https://t.me/cibsecurity/57944 · Telegram Post