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CVE-2026-12339

Authenticated Arbitrary File Write Vulnerability in multiple devices

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in (EU)_1.10.0 0.9.1 v0001.0 Build 260613 RC.76099n, (EU)_1.10.0 0.9.1 v0001.0 Build 260618 RC.40417n, (EU)_1.3.0 0.9.1 v0001.0 Build 260605 Rel.57870n, (EU)_1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n, (EU)_1.3.0 0.9.1 v0001.0 Build 260720 Rel.59727n, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to be overwritten on the underlying system, affecting system integrity and availability.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • TP-Link Systems Inc. TL-MR6400 v5.3

    fixed in (EU)_1.10.0 0.9.1 v0001.0 Build 260613 RC.76099n

  • TP-Link Systems Inc. Archer MR600 v2

    fixed in (EU)_1.10.0 0.9.1 v0001.0 Build 260618 RC.40417n

  • TP-Link Systems Inc. Archer MR200 v7

    fixed in (EU)_1.3.0 0.9.1 v0001.0 Build 260605 Rel.57870n

  • TP-Link Systems Inc. TL-MR6400 v8.0

    fixed in (EU)_1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n

  • TP-Link Systems Inc. TL-MR150 v3.20

    fixed in (EU)_1.3.0 0.9.1 v0001.0 Build 260720 Rel.59727n

  • TP-Link Systems Inc. TL-MR100 v3.20

    fixed in (EU)_1.3.0 0.9.1 v0001.0 Build 260609 Rel.49957n

References 8

tp-link.com