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TI-2023-26961 Aliases CVE-2023-49351GHSA-c978-j9mm-m34q

A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2…

Priority MEDIUM 50CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0057 47th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:edimax:br-6478ac_firmware:1.23:*:*:*:*:*:*:*1.23VulnerableEdimax
cpe:2.3:h:edimax:br-6478ac:v2:*:*:*:*:*:*:*v2Running onEdimax
  • cpe:2.3:o:edimax:br-6478ac_firmware:1.23:*:*:*:*:*:*:* Versions 1.23 Vulnerable ·Edimax
  • cpe:2.3:h:edimax:br-6478ac:v2:*:*:*:*:*:*:* Versions v2 Running on ·Edimax

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-49351
  2. 2026-10-03 Alias added: GHSA-c978-j9mm-m34q

References

Sources