How severe is CVE-2023-49351?

CVE-2023-49351 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-2023-49351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49351?

CVE-2023-49351 affects Edimax Br-6478ac Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49351?

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.

Does CVE-2023-49351 have an EU (EUVD) identifier?

Yes. CVE-2023-49351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53334.

When was CVE-2023-49351 published?

CVE-2023-49351 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2023-49351

CVE-2023-49351 is a critical-severity vulnerability in Edimax Br-6478ac 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53334
Weakness: CWE-787
Affected product: Edimax Br-6478ac Firmware
Published: 2024-01-16
Last modified: 2026-06-17

Description

A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2 firmware veraion v1.23 allows attackers to overwrite other values located on the stack due to an incorrect use of the strcpy() function.

Frequently asked questions

What is CVE-2023-49351?: A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2 firmware veraion v1.23 allows attackers to overwrite other values located on the stack due to an incorrect use of the strcpy() function.
How severe is CVE-2023-49351?: CVE-2023-49351 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-2023-49351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49351?: CVE-2023-49351 affects Edimax Br-6478ac Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49351?: 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.
Does CVE-2023-49351 have an EU (EUVD) identifier?: Yes. CVE-2023-49351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53334.
When was CVE-2023-49351 published?: CVE-2023-49351 was published on 2024-01-16 and last updated on 2026-06-17.

References

https://github.com/countfatcode/temp/blob/main/formUSBAccount/formUSBAccount.md

Affected products (1)

cpe:2.3:o:edimax:br-6478ac_firmware:1.23:*:*:*:*:*:*:*

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