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Fencer Vulns
high 8.8

CVE-2023-36489 json

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands.

published 2023-09-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40438

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands. Affected products/versions are as follows: TL-WR802N firmware versions prior to 'TL-WR802N(JP)_V4_221008', TL-WR841N firmware versions prior to 'TL-WR841N(JP)_V14_230506', and TL-WR902AC firmware versions prior to 'TL-WR902AC(JP)_V3_230506'.

Patch / fix

  • tp-link tl-wr802n_firmware v4_221008
  • tp-link tl-wr841n_firmware v14_230506
  • tp-link tl-wr902ac_firmware v3_230506

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • TP-LINK TL-WR802N
  • TP-LINK TL-WR841N
  • TP-LINK TL-WR902AC
  • tp-link tl-wr802n_firmware
  • tp-link tl-wr841n_firmware
  • tp-link tl-wr902ac_firmware

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.