CVE-2015-3035: TP-Link Multiple Archer Devices Directory Traversal Vulnerability

High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2022-03-25. EPSS: 83.9% chance of exploitation in the next 30 days.

Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317, C7 (2.0) with firmware before 150304, and C8 (1.0) with firmware before 150316, Archer C9 (1.0), TL-WDR3500 (1.0), TL-WDR3600 (1.0), and TL-WDR4300 (1.0) with firmware before 150302, TL-WR740N (5.0) and TL-WR741ND (5.0) with firmware before 150312, and TL-WR841N (9.0), TL-WR841N (10.0), TL-WR841ND (9.0), and TL-WR841ND (10.0) with firmware before 150310 allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to login/.

Affected products

• TP-Link Archer c5 Firmware: before 150317 (fixed in 150317)
• TP-Link Archer c7 Firmware: before 150304 (fixed in 150304)
• TP-Link Archer c8 Firmware: before 150316 (fixed in 150316)
• TP-Link Archer c9 Firmware: before 150302 (fixed in 150302)
• TP-Link Tl-WDR3500 Firmware: before 150302 (fixed in 150302)
• TP-Link Tl-WDR3600 Firmware: before 150302 (fixed in 150302)
• TP-Link Tl-WDR4300 Firmware: before 150302 (fixed in 150302)
• TP-Link Tl-WR740N Firmware: before 150312 (fixed in 150312)
• TP-Link Tl-WR741ND Firmware: before 150312 (fixed in 150312)
• TP-Link TL-WR841N Firmware: before 150310 (fixed in 150310)
• TP-Link Tl-WR841ND Firmware: before 150310 (fixed in 150310)

Published 2015-04-22. Last modified 2026-06-17.