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CVE-2026-12935

Unauthenticated Remote Code Execution in TP-Link TL-WR940N RTSP Conntrack Feature

No known exploitation. EPSS puts it in the 63rd percentile. Fixed versions are out.

CVSS —Not scoredEPSS percentile63rd1.0% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix1 product3 fixed builds listed below
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Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • TP-Link Systems Inc. TL-WR940N v6Affected: < (US)_V6_260528Upgrade to: (US)_V6_260528Affected: < (JP)_V6_260527Upgrade to: (JP)_V6_260527Affected: < (EU)_V6_260528Upgrade to: (EU)_V6_260528Stated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

What it is

From the CVE record

The TL-WR940N v6 router contains a vulnerability in its RTSP connection tracking module that can lead to a stack-based buffer overflow. The issue occurs when a LAN client initiates a connection to a malicious RTSP server controlled by an attacker. A specially crafted RTSP message may trigger improper memory handling within the kernel module Successful exploitation of this vulnerability may result in a denial-of-service (DoS) condition or allow remote code execution (RCE), potentially leading to full compromise of the device. This vulnerability can be exploited by an unauthenticated attacker under the device's default configuration.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS63rd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.0% chance of exploitation activity in the next 30 days, which ranks it in the 63rd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 87 days, from the signal feeds we watch.

  1. Record updated
  2. Record updatedrecord updated
  3. Publishedweakness classified, att&ck mapped, record updated

Affected products

Technical detail

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 1 more reference. See all after sign-in

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