How severe is CVE-2015-3035?

CVE-2015-3035 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which products are affected by CVE-2015-3035?

CVE-2015-3035 affects the following products: tp-link archer c5 firmware, tp-link archer c7 firmware, tp-link archer c8 firmware, tp-link archer c9 firmware, tp-link tl-wdr3500 firmware, tp-link tl-wdr3600 firmware, tp-link tl-wdr4300 firmware, tp-link tl-wr740n firmware, and 3 more.

How do I patch CVE-2015-3035?

Apply the tp-link archer c5 firmware security patch or hotfix for CVE-2015-3035 on the affected version, following the vendor advisory for your exact build.

How do I detect CVE-2015-3035 across my infrastructure?

Inventory every tp-link archer c5 firmware deployment and check each version against the affected-products list above.

How do I mitigate CVE-2015-3035 if there is no patch (or I can't update yet)?

Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Is CVE-2015-3035 actively exploited in the wild?

Yes. There are 6 known exploit references for CVE-2015-3035, including 6 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2015-3035?

CVE-2015-3035 has an EPSS (Exploit Prediction Scoring System) score of 83.9%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2015-3035 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2015-3035 (TP-Link Multiple Archer Devices Directory Traversal Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-03-25. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-04-15. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2015-3035?

CVE-2015-3035 is classified as Path Traversal (CWE-22). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2015-3035?

CVE-2015-3035 affects tp-link archer c5 firmware; tp-link archer c7 firmware; tp-link archer c8 firmware; tp-link archer c9 firmware, and 7 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2015-3035?

A Nuclei detection template exists for CVE-2015-3035, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2015-3035 published, and has it been updated?

CVE-2015-3035 was published on April 22, 2015 and was last updated on June 17, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🛡️

CISA KEV · ACTIVELY EXPLOITED

HIGH severity

CVE-2015-3035 — Archer C5 Firmware

HIGH

CVE-2015-3035 is a high-severity (CVSS 7.5) Path Traversal vulnerability in tp-link archer c5 firmware. It is in CISA's Known Exploited Vulnerabilities catalog (added 2022-03-25) — treat it as actively exploited and patch now. A fix is available — see the affected versions and patch details below.

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),…

Published

Apr 22, 2015

Updated

Jun 17, 2026

Affected

11 products

Patched

See advisory

Exploits

6 known

Exploitation data as of Oct 23, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2022-03-25. Federal agencies were required to remediate by 2022-04-15.
CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2015-3035.

EPSS Exploitation Probability

via FIRST.org ↗

83.9%probability of exploitation in next 30 days

Very High Risk0.00%

Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2015-3035 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).

Where this sits among everything scored

Of 395,249 CVEs with a current EPSS score, this one falls in the 50–90% band (highlighted). Counts from FIRST.org, log-scaled.

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/.

Affected Products

11 products · 13 configurations

archer c5 firmwaretp-link

< 150317

range

archer c7 firmwaretp-link

< 150304

range

archer c8 firmwaretp-link

< 150316

range

archer c9 firmwaretp-link

< 150302

range

tl-wdr3500 firmwaretp-link

< 150302

range

tl-wdr3600 firmwaretp-link

< 150302

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.