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TI-2023-20831 Aliases CVE-2023-39935GHSA-hr43-w7vj-7297

OS command injection in TP-Link Archer C5400

Priority LOW 37CWE-78Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
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

Archer C5400 firmware versions prior to 'Archer C5400(JP)_V2_230506' allows a network-adjacent authenticated attacker to execute arbitrary OS commands.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00401 34th 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-LinkArcher C5400firmware versions prior to 'Archer C5400(JP)_V2_230506'—No fix listedCNA
  • Archer C5400 VendorTP-Link Affected firmware versions prior to 'Archer C5400(JP)_V2_230506' Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:archer_c5400_firmware:*:*:*:*:*:*:*:*before 230506VulnerableTP-Link
cpe:2.3:h:tp-link:archer_c5400:-:*:*:*:*:*:*:*not specified by NVDRunning onTP-Link
  • cpe:2.3:o:tp-link:archer_c5400_firmware:*:*:*:*:*:*:*:* Versions before 230506 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:archer_c5400:-:*:*:*:*:*:*:* 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-2023-39935
  2. 2026-10-03 Alias added: GHSA-hr43-w7vj-7297

References

Sources