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Fencer Vulns
critical 9.8

CVE-2023-49351 json

A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2 firmware veraion v1.23 allows attackers to overwrite…

published 2024-01-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53334

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.