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TI-2026-12984 Aliases CVE-2026-15429GHSA-h838-7g67-j96h

Privilege Escalation via Improper Input Sanitization in TP-Link Archer VX1800v

Priority LOW 28CWE-93Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A privilege escalation vulnerability exists in the HTTP authentication component in Archer VX1800v v1. Improper handling of user-controlled input may allow newline characters to be injected into internally constructed configuration data.  An authenticated user with sufficient privileges may be able to modify account settings and gain elevated administrative privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01389 72nd percentileScored 2026-11-07
Fix Fixed Archer VX1800v v1 (TP-Link Systems Inc.): 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n

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 VX1800v v1before 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n0.16.0 2.0.0 v6092.0 Build 260521 RC.7927nPatch availableCNA
  • Archer VX1800v v1 VendorTP-Link Affected before 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n Fixed in 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:archer_vx1800v_firmware:*:*:*:*:*:*:*:*before 0.16.0VulnerableTP-Link
cpe:2.3:o:tp-link:archer_vx1800v_firmware:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableTP-Link
cpe:2.3:h:tp-link:archer_vx1800v:1.0:*:*:*:*:*:*:*1.0Running onTP-Link
  • cpe:2.3:o:tp-link:archer_vx1800v_firmware:*:*:*:*:*:*:*:* Versions before 0.16.0 Vulnerable ·TP-Link
  • cpe:2.3:o:tp-link:archer_vx1800v_firmware:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:archer_vx1800v:1.0:*:*:*:*:*:*:* Versions 1.0 Running on ·TP-Link

Remediation

  • Fix · CNA Archer VX1800v v1 (TP-Link Systems Inc.) Fixed in 0.16.0 2.0.0 v6092.0 Build 260521 RC.7927n

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    TP-Link Systems Archer VX1800v v1 — tp-link.com/us/support/faq/5189

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-12983 OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800vPriority MEDIUM 43
    • TI-2026-12982 OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800vPriority MEDIUM 41
    Show all 3 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15429
  2. 2026-10-03 Alias added: GHSA-h838-7g67-j96h

References

Patch 1

Advisory 1

  • TI-2026-12983 OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800v CVSS 4.0HIGH 8.5
  • TI-2026-12982 OS Command Injection in TR-069 (CWMP) Management Interface in TP-Link Archer VX1800v CVSS 4.0HIGH 8.6

Sources

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