CVE-2026-12339
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.
Published:Aug 10, 2026
Last Modified:Aug 25, 2026
EPS:Aug 10, 2026
EPSS Score:0.0031
CVSS Score:6.9
Affected Products
Vendor
Product
Action
Vendor
Tp-link
Product
Archer Mr200 V07
Tp-link
Archer Mr200 V07
Vendor
Tp-link
Product
Archer Mr600 V2
Tp-link
Archer Mr600 V2
Vendor
Tp-link
Product
Tl-mr6400 V5.3
Tp-link
Tl-mr6400 V5.3
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
