CVE-2023-51133
CWE-787Published: December 30, 2023· Updated: Jun 17, 2026
Official Description
TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formRoute.
Risk Analysis
This vulnerability is a stack overflow flaw in the TOTOLINK X2000R router. It is rated as critical due to its potential for remote code execution, and it is remotely exploitable without authentication.
There is no known public exploit for this vulnerability, and it is not listed in CISA's KEV catalog.
Users should check for and apply firmware updates for the TOTOLINK X2000R. If no update is available, restrict management access to trusted internal networks.
Technical Analysis
CVE-2023-51133 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-51133 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts