CVE-2022-43003
CWE-787Published: October 26, 2022· Updated: Jun 17, 2026
Official Description
D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the pskValue parameter in the setRepeaterSecurity function.
Risk Analysis
D-Link DIR-816 routers are vulnerable to a stack overflow via the pskValue parameter, which can lead to remote code execution. The 9.8 CVSS score highlights the critical risk of this unauthenticated remote attack.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Update the device firmware to a version that fixes the stack overflow in the setRepeaterSecurity function.
Technical Analysis
CVE-2022-43003 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-2022-43003 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts