CVE-2023-27078 — A command injection issue was found in TP-Link MR3020 v

A command injection issue was found in TP-Link MR3020 v.1_150921 that allows a remote attacker to execute arbitrary commands via a crafted request to the tftp endpoint.

01What is this vulnerability?

A command injection issue was found in TP-Link MR3020 v.1_150921 that allows a remote attacker to execute arbitrary commands via a crafted request to the tftp endpoint.

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: 2023-03-23T00:00:00.000Z
• Last modified: 2025-02-25T20:35:03.573Z

09References

• github.com — https://github.com/B2eFly/Router/blob/main/TPLINK/MR3020/1.md