CVE-2023-6437 — Improper Neutralization of Special Elements used in an OS Command ('OS Command I

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in TP-Link TP-Link EX20v AX1800, Tp-Link Archer C5v AC1200, Tp-Link TD-W9970, Tp-Link TD-W9970v3, TP-Link VX220-G2u, TP-Link VN020-G2u allows authenticated OS Comman

01What is this vulnerability?

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in TP-Link TP-Link EX20v AX1800, Tp-Link Archer C5v AC1200, Tp-Link TD-W9970, Tp-Link TD-W9970v3, TP-Link VX220-G2u, TP-Link VN020-G2u allows authenticated OS Command Injection.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2024-03-28T14:15:13.600
• Last modified: 2026-05-20T12:16:20.380

09References

• siberguvenlik.gov.tr — https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-24-0244
• www.usom.gov.tr — https://www.usom.gov.tr/bildirim/tr-24-0244
• www.usom.gov.tr — https://www.usom.gov.tr/bildirim/tr-24-0244