What is the CVSS score of CVE-2014-8243?

CVE-2014-8243 has a CVSS 2.0 base score of 3.3 (Low). CVSS vector: AV:A/AC:L/Au:N/C:P/I:N/A:N. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2014-8243?

Yes, a public proof-of-concept exploit is available for CVE-2014-8243. Prioritise patching immediately. EPSS: 0.2%.

Ea2700 CVE-2014-8243

LOW

Cryptographic Issues (CWE-310)

2014-11-01 cret@cert.org

Information Disclosure Linksys Ea6500 Firmware Ea6500 Ea4500 Firmware Ea4500 Ea6400 Firmware Ea6400 E4200V2 Firmware E4200V2 Ea6300 Firmware Ea6300 Ea6900 Firmware Ea6900 Ea2700 Firmware Ea2700 Ea3500 Firmware Ea3500 Ea6200 Firmware Ea6200 Ea6700 Firmware Ea6700

3.3

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-310 OWASP Top 10:2025 A04:2025 - Cryptographic Failures ASVS 5.0 V11 - Cryptography Cryptographic controls
Impact	CVSS score of 3.3 (LOW). Attack characteristics: adjacent network attack vector, low complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.16%.
Exploit ScenarioDerived	Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

Linksys SMART WiFi firmware on EA2700 and EA3500 devices; before 2.1.41 build 162351 on E4200v2 and EA4500 devices; before 1.1.41 build 162599 on EA6200 devices; before 1.1.40 build 160989 on EA6300,. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-310. Linksys SMART WiFi firmware on EA2700 and EA3500 devices; before 2.1.41 build 162351 on E4200v2 and EA4500 devices; before 1.1.41 build 162599 on EA6200 devices; before 1.1.40 build 160989 on EA6300, EA6400, EA6500, and EA6700 devices; and before 1.1.42 build 161129 on EA6900 devices allows remote attackers to obtain the administrator's MD5 password hash via a direct request for the /.htpasswd URI. Affected products include: Linksys Ea4500 Firmware, Linksys Ea4500, Linksys Ea6500 Firmware, Linksys Ea6500, Linksys Ea6400 Firmware. Version information: before 2.1.41.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.3 LOW

AV:A/AC:L/Au:N/C:P/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Confidentiality

Integrity

None

Availability

None

DescriptionCVE.org

Linksys SMART WiFi firmware on EA2700 and EA3500 devices; before 2.1.41 build 162351 on E4200v2 and EA4500 devices; before 1.1.41 build 162599 on EA6200 devices; before 1.1.40 build 160989 on EA6300, EA6400, EA6500, and EA6700 devices; and before 1.1.42 build 161129 on EA6900 devices allows remote attackers to obtain the administrator's MD5 password hash via a direct request for the /.htpasswd URI.

Threat Intelligence Overview

EPSS Score

0.2%

Top 64% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 LOW

CISA KEV No

Public POC Yes

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

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

Defer

Exploitation· derived

Poc

System Exposure· derived

Controlled

Automatable· derived

Human Impact· derived

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +16

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.