ClosedPatched

TP-Link Multiple Routers: Multiple Routers Command Injection Vulnerability

TP-Link Multiple Routers

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization. Added to CISA KEV on 2025-06-16.

Why this severity: CVSS 8.8 (CISA ADP, v3.1); actively exploited (CISA KEV)

Started: Jun 16, 2025
Closed: Jun 16, 2025
CVE: CVE-2023-33538

Follow this incident

Updated Jun 16, 2025

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Jun 16, 2025
CISA added CVE-2023-33538 to the KEV catalog (due 2025-07-07).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025). KEV says affected products could be end-of-life, so some devices may never get a fix.

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