Vulnerability · Published Feb 11, 2023 · Assigned by VulDB
CVE-2023-0782Tenda AC23 httpd formGetSysToolDDNS out-of-bounds write
High 7.2
In plain English
A high-severity out-of-bounds write in AC23 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)1.5%top 26.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in Tenda AC23 16.03.07.45 and classified as critical. Affected by this issue is the function formSetSysToolDDNS/formGetSysToolDDNS of the file /bin/httpd. The manipulation leads to out-of-bounds write. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220640.
Affected products (as reported)
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://vuldb.com/?id.220640 vdb-entry, technical-description
- https://vuldb.com/?ctiid.220640 signature, permissions-required
- https://github.com/jingping911/tendaAC23overflow/blob/main/README.md exploit