What is CVE-2023-46012?

CVE-2023-46012 is a critical-severity vulnerability in Linksys Ea7500, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-05-07.

How severe is CVE-2023-46012?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-46012 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linksys Ea7500

CVE-2023-46012

Buffer Overflow vulnerability LINKSYS EA7500 3.0.1.207964 allows a remote attacker to execute arbitrary code via an HTTP request to the IGD UPnP.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linksys Ea7500 — versions 3.0
Linksys Ea7500_firmware — versions 3.0.1.207964
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-46012?: CVE-2023-46012 is a critical-severity vulnerability in Linksys Ea7500, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-05-07.
How severe is CVE-2023-46012?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-46012 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.