What is CVE-2012-10021?

CVE-2012-10021 is a critical-severity vulnerability in D-link Dir-605l, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-07-31.

How severe is CVE-2012-10021?

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

Is CVE-2012-10021 known to be exploited?

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

Buffer overflow in D-link Dir-605l

CVE-2012-10021

A stack-based buffer overflow vulnerability exists in D-Link DIR-605L Wireless N300 Cloud Router firmware versions 1.12 and 1.13 via the getAuthCode() function. The flaw arises from unsafe usage of sprintf() when processing user-supplied C…

Vulnerability class: Buffer Overflow

EPSS: 0.031 (86.3th 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

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

References

disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Exploit, technical-description, Third Party Advisory, exploit)
disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Issue Tracking)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2012-10021?: CVE-2012-10021 is a critical-severity vulnerability in D-link Dir-605l, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-07-31.
How severe is CVE-2012-10021?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2012-10021 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.