CVE-2022-26258 — D-Link DIR-820L Remote Code Execution Vulnerability

D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.

01What is this vulnerability?

D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-09-08. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-03-27T00:00:00.000Z
• Last modified: 2025-10-21T23:15:43.432Z
• Added to CISA KEV: 2022-09-08
• BOD 22-01 due: 2022-09-29

09References

• dlink.com — http://dlink.com
• www.dlink.com — https://www.dlink.com/en/security-bulletin/
• dir-820l.com — http://dir-820l.com
• github.com — https://github.com/skyedai910/Vuln/tree/master/DIR-820L/command_execution_0
• github.com — https://github.com/zhizhuoshuma/cve_info_data/blob/ccaed4b94ba762eb8a8e003bfa762…