CVE-2020-9374
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 42.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 42.67% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 2 March 2020
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- tp-link/tl-wr849n firmware
- Source
- cve@mitre.org
EPSS 42.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/156584/TP-Link-TL-WR849N-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://fireshellsecurity.team/hack-n-routers/Exploit, Third Party Advisory
- https://github.com/ElberTavares/routers-exploit/tree/master/tp-linkExploit, Third Party Advisory
- http://packetstormsecurity.com/files/156584/TP-Link-TL-WR849N-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://fireshellsecurity.team/hack-n-routers/Exploit, Third Party Advisory
- https://github.com/ElberTavares/routers-exploit/tree/master/tp-linkExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.