CVE-2023-46539
CWE-787Published: October 25, 2023· Updated: Jun 17, 2026
Official Description
TP-LINK TL-WR886N V7.0_3.0.14_Build_221115_Rel.56908n.bin was discovered to contain a stack overflow via the function registerRequestHandle.
Risk Analysis
A stack overflow in the registerRequestHandle function of the TP-LINK TL-WR886N allows for remote, unauthenticated exploitation. The critical 9.8 CVSS score reflects the potential for full system compromise.
There is no known public exploit for this vulnerability, and it is not included in the KEV.
Update the TP-LINK TL-WR886N firmware to the latest version to mitigate this security risk.
Technical Analysis
CVE-2023-46539 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-2023-46539 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts