CVE-2022-29593 — relay_cgi

relay_cgi.cgi on Dingtian DT-R002 2CH relay devices with firmware 3.1.276A allows an attacker to replay HTTP post requests without the need for authentication or a valid signed/authorized request.

01What is this vulnerability?

relay_cgi.cgi on Dingtian DT-R002 2CH relay devices with firmware 3.1.276A allows an attacker to replay HTTP post requests without the need for authentication or a valid signed/authorized request.

02Affected products

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

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2022-07-14T14:56:44.000Z
• Last modified: 2025-05-05T16:21:01.060Z

09References

• www.trustwave.com — https://www.trustwave.com/en-us/resources/security-resources/security-advisories…
• www.trustwave.com — https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/cve-2022-29593-a…
• packetstormsecurity.com — http://packetstormsecurity.com/files/167868/Dingtian-DT-R002-3.1.276A-Authentica…