On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the…
Priority HIGH 71CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
Why it matters now
EPSS 0.42673 98th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9374
- 2026-10-03 Alias added: GHSA-mxxh-w2ww-44fp
References
More TP-Link Tl-wr849n Firmware vulnerabilities
- TI-2019-13809 TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-9374 · CVE Program
- CVE-2020-9374 · NVD
- FIRST EPSS
- GHSA-mxxh-w2ww-44fp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences