CVE-2023-36489

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

8.8 High

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'.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.56%Up 0.5 points since Sep 7, 2023

What each source reports

NVD Score used 8.8

Record: CVE-2023-36489
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-36489
Updated: 2026-11-02

EUVDEUVD-2023-40438 0.0

Record: EUVD-2023-40438
CVSS: 0.0 NoneCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qcp8-w359-4v36 8.8

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

Record: GHSA-qcp8-w359-4v36
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-36489 is a high vulnerability (CVSS 8.8) in Tp-link Tl-wr802n, published September 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.