Read the docs
TI-2020-04725 Aliases CVE-2020-5797GHSA-6qx3-hcm8-xh2m

Link following in TP-Link Archer C9 A1

Priority LOW 28CWE-59Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

UNIX Symbolic Link (Symlink) Following in TP-Link Archer C9(US)_V1_180125 firmware allows an unauthenticated actor, with physical access and network access, to read sensitive files and write to a limited set of files after plugging a crafted USB drive into the router.

Why it matters now

EPSS 0.00657 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—TP-Link Archer C9 A1Archer C9(US)_V1_180125 firmware—No fix listedCNA
  • TP-Link Archer C9 A1 Vendor— Affected Archer C9(US)_V1_180125 firmware Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:archer_c9_firmware:180125:*:*:*:*:*:*:*180125VulnerableTP-Link
cpe:2.3:h:tp-link:archer_c9:v1:*:*:*:*:*:*:*v1Running onTP-Link
  • cpe:2.3:o:tp-link:archer_c9_firmware:180125:*:*:*:*:*:*:* Versions 180125 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:archer_c9:v1:*:*:*:*:*:*:* Versions v1 Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5797
  2. 2026-10-03 Alias added: GHSA-6qx3-hcm8-xh2m
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2015-02672 Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317… KEVCVSS 3.1HIGH 7.5
  • TI-2023-19939 OS command injection in TP-Link Archer C1200 CVSS 3.1HIGH 8.8

Sources

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