CVE-2026-76649
Pre-Authentication NULL Pointer Dereference in UPnP SOAP Action Request Processing in TP-Link TL-WR841N
No known exploitation. EPSS puts it in the 19th percentile. Fixed versions are out.
No public exploit knownFix1 product2 fixed builds listed below
No ready-made check. Neither Nuclei nor OpenVAS has one for this CVE yet.
What to do
Find your product and version, then upgrade to the build on the right.
- TP-Link System Inc. TL-WR841N v14Affected: < TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478Upgrade to: TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478Affected: < TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588Upgrade to: TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
A NULL pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP action requests. A specially crafted SOAP action request containing unexpected XML content may cause the UPnP daemon to terminate unexpectedly. Successful exploitation may result in a denial-of-service condition affecting UPnP functionality until the service is restarted or the device is rebooted.
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.
- 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
0.3% chance of exploitation activity in the next 30 days, which ranks it in the 19th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 4 days, from the signal feeds we watch.
- Record updated
- Record updated
- 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
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