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TI-2021-08753 Aliases CVE-2021-27210GHSA-mgxh-x4jj-4grv

TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext…

Priority LOW 30CWE-312Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.

Summary

TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.

Why it matters now

EPSS 0.00841 58th 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:archer_c5v_firmware:1.7_181221:*:*:*:*:*:*:*1.7_181221VulnerableTP-Link
cpe:2.3:h:tp-link:archer_c5v:1.0:*:*:*:*:*:*:*1.0Running onTP-Link
  • cpe:2.3:o:tp-link:archer_c5v_firmware:1.7_181221:*:*:*:*:*:*:* Versions 1.7_181221 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:archer_c5v:1.0:*:*:*:*:*:*:* Versions 1.0 Running on ·TP-Link

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27210
  2. 2026-10-03 Alias added: GHSA-mgxh-x4jj-4grv

References

  • TI-2021-08752 In the management interface on TP-Link Archer C5v 1.7_181221 devices, credentials are… CVSS 3.1HIGH 7.1

Sources