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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2015-3035

TP-Link Multiple Archer Devices Directory Traversal Vulnerability

KEVHIGH 7.5EPSS 83.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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/.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
83.95% probability · 100th percentile
CISA KEV
Listed 25 March 2022 · due 15 April 2022
Weakness
CWE-22
Affected
tp-link/tl-wr741nd firmware · tp-link/tl-wr841n firmware · tp-link/tl-wr740n firmware · tp-link/archer c5 firmware · tp-link/tl-wdr3600 firmware · tp-link/archer c7 firmware · tp-link/tl-wr841nd firmware · tp-link/archer c9 firmware · tp-link/archer c8 firmware · tp-link/tl-wdr4300 firmware · tp-link/tl-wdr3500 firmware
Source
cve@mitre.org

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2015-3035

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.