🛡️ CVE-2023-36489 — tl-wr802n-firmware

🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-78 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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'.

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2023-36489 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2023-36489 is recorded against 3 packages.

  • tl-wr802n-firmware (fixed in 221008)
  • tl-wr841n-firmware (fixed in 230506)
  • tl-wr902ac-firmware (fixed in 230506)

Timeline and source

Published on 6 September 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

jvn.jp
www.tp-link.com
www.tp-link.com
www.tp-link.com
jvn.jp
www.tp-link.com
www.tp-link.com
www.tp-link.com

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-78
Public Exploit ✅ No
Source NVD
Published 2023-09-06
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
tl-wr802n-firmware — 221008
tl-wr841n-firmware — 230506
tl-wr902ac-firmware — 230506

Similar Threats

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