CVE-2022-41522
CWE-787Published: October 6, 2022· Updated: Jun 17, 2026
Official Description
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an unauthenticated stack overflow via the "main" function.
Risk Analysis
An unauthenticated stack overflow vulnerability exists in the main function of the TOTOLINK NR1800X. This critical flaw allows remote attackers to potentially execute arbitrary code or crash the device.
No public exploit is currently known, and the vulnerability is not in the CISA KEV catalog. The flaw is remotely exploitable with low attack complexity.
Apply the latest available firmware updates from the manufacturer to address this stack overflow issue.
Technical Analysis
CVE-2022-41522 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 (2)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-41522 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts