What is the CVSS score of CVE-2015-3035?

CVE-2015-3035 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 93.1%.

Is there a public PoC exploit available for CVE-2015-3035?

Yes, a public proof-of-concept exploit is available for CVE-2015-3035. Prioritise patching immediately. EPSS: 93.1%.

TP-Link CVE-2015-3035

HIGH

Path Traversal (CWE-22)

2015-04-22 cve@mitre.org

Path Traversal TP-Link

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-22 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Path canonicalization, traversal prevention MITRE ATT&CK 2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. CISA has confirmed active exploitation in the wild. Public proof-of-concept exploit code is available. EPSS exploitation probability: 93.13%.
Exploit ScenarioDerived	A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.

Exploited in the wild (CISA KEV) No patch listed yet 93.1% exploitation probability (EPSS)

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AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. 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 include: Tp-Link Tl-Wr841N \(9.0\) Firmware, Tp-Link Tl-Wr740N \(5.0\) Firmware, Tp-Link Archer C5 \(1.2\) Firmware, Tp-Link Tl-Wr841N \(10.0\) Firmware, Tp-Link Tl-Wr741Nd \(5.0\) Firmware. Version information: before 150317.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Added to CISA KEV

Apr 21, 2026 - 15:31 CISA

CVE Published

Apr 22, 2015 - 01:59 cve.org

HIGH 7.5

DescriptionCVE.org

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/.

Threat Intelligence Overview

Threat Score

7.3/10

Composite threat intelligence

EPSS Score

93.1%

Top 0% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

CISA KEV

EPSS POC (2)

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV Yes

Public POC Yes

EPSS 93.1%

Patch available No

Active threat Yes

Deciding rule

HIGH severity + EPSS > 10%

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Immediate

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

High

Priority Score

201

Low Medium High Critical

KEV: +50

EPSS: +93

CVSS: +38

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)CVE.org

cpe:2.3:o:tp-link:tl-wr841n_\(9.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wr740n_\(5.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:archer_c5_\(1.2\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wr841n_\(10.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wr741nd_\(5.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:tl-wr741nd_\(5.0\):-:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wdr3600_\(1.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:archer_c7_\(2.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wr841nd_\(10.0\)_firmware:150104:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:archer_c9_\(1.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wr841nd_\(9.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:archer_c8_\(1.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wdr4300_\(1.0\)_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:tp-link:tl-wdr3500_\(1.0\)_firmware:*:*:*:*:*:*:*:*

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References

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