How severe is CVE-2013-3091?

CVE-2013-3091 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-3091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-3091?

CVE-2013-3091 affects Belkin N300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-3091?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2013-3091 published?

CVE-2013-3091 was published on 2020-02-07 and last updated on 2026-06-16.

CVE-2013-3091

CVE-2013-3091 is a critical-severity vulnerability in Belkin N300 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Belkin N300 Firmware
Published: 2020-02-07
Last modified: 2026-06-16

Description

An Authentication Bypass vulnerability in Belkin N300 (F7D7301v1) router allows remote attackers to bypass authentication using "Javascript debugging."

Frequently asked questions

What is CVE-2013-3091?: An Authentication Bypass vulnerability in Belkin N300 (F7D7301v1) router allows remote attackers to bypass authentication using "Javascript debugging."
How severe is CVE-2013-3091?: CVE-2013-3091 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-3091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3091?: CVE-2013-3091 affects Belkin N300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-3091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-3091 published?: CVE-2013-3091 was published on 2020-02-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:belkin:n300_firmware:1.00.06:*:*:*:*:*:*:*

More vulnerabilities in Belkin N300 Firmware

CVE-2022-30105 — Critical (CVSS 9.8): In Belkin N300 Firmware 1.00.08, the script located at /setting_hidden.asp, which is accessible before and after…
CVE-2013-3092 — High (CVSS 8.3): The Belkin N300 (F7D7301v1) router allows remote attackers to bypass authentication and gain privileges via vectors…
CVE-2013-3089 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in apply.cgi in Belkin N300 (F7D7301v1) router allows remote attackers…

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