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TI-2023-18330 Aliases CVE-2023-36489GHSA-qcp8-w359-4v36

OS command injection in TP-Link TL-WR802N

Priority MEDIUM 41CWE-78Published · Updated

Key facts

Attack vector
Adjacent 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

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'.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00557 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkTL-WR802Nfirmware versions prior to 'TL-WR802N(JP)_V4_221008'—No fix listedCNA
TP-LinkTL-WR841Nfirmware versions prior to 'TL-WR841N(JP)_V14_230506'—No fix listedCNA
TP-LinkTL-WR902ACfirmware versions prior to 'TL-WR902AC(JP)_V3_230506'—No fix listedCNA
  • TL-WR802N VendorTP-Link Affected firmware versions prior to 'TL-WR802N(JP)_V4_221008' Fixed in — No fix listed CNA
  • TL-WR841N VendorTP-Link Affected firmware versions prior to 'TL-WR841N(JP)_V14_230506' Fixed in — No fix listed CNA
  • TL-WR902AC VendorTP-Link Affected firmware versions prior to 'TL-WR902AC(JP)_V3_230506' Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:tl-wr902ac_firmware:*:*:*:*:*:*:*:*before 230506VulnerableTP-Link
cpe:2.3:h:tp-link:tl-wr902ac:-:*:*:*:*:*:*:*not specified by NVDRunning onTP-Link
cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:*before 221008VulnerableTP-Link
cpe:2.3:h:tp-link:tl-wr802n:-:*:*:*:*:*:*:*not specified by NVDRunning onTP-Link
cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*before 230506VulnerableTP-Link
cpe:2.3:h:tp-link:tl-wr841n:-:*:*:*:*:*:*:*not specified by NVDRunning onTP-Link
  • cpe:2.3:o:tp-link:tl-wr902ac_firmware:*:*:*:*:*:*:*:* Versions before 230506 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wr902ac:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
  • cpe:2.3:o:tp-link:tl-wr802n_firmware:*:*:*:*:*:*:*:* Versions before 221008 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wr802n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link
  • cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:* Versions before 230506 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:tl-wr841n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-36489
  2. 2026-10-03 Alias added: GHSA-qcp8-w359-4v36

References

Advisory 1

Other 3

  • TI-2026-02790 Authenticated Command Injection on TP-Link TL-WR802N, TL-WR841N and TL-WR840N CVSS 4.0HIGH 8.5
  • TI-2021-10089 TP-Link TL-WR802N(US), Archer_C50v5_US v4_200 <= 2020.06 contains a buffer overflow… CVSS 3.1HIGH 8.1
  • TI-2021-03018 TP-Link wifi router TL-WR802N V4(JP), with firmware version prior to 211202, is vulnerable to OS command injection. CVSS 3.1HIGH 8.8
  • TI-2021-02295 Unauthenticated stored cross-site scripting (XSS) exists in multiple TP-Link products… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences