What is CVE-2026-61391?

CVE-2026-61391 is a high-severity vulnerability in Hikvision Ds-2cd Series, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2026-07-22.

How severe is CVE-2026-61391?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Hikvision Ds-2cd Series

CVE-2026-61391

There is a stack-based buffer overflow vulnerability in some Hikvision cameras, which may allow authenticated attackers to cause device malfunction by sending specially crafted packets.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hikvision Ds-2cd Series — versions https://www.hikvision.com/en/support/download/firmware/security-firmware-download/
Hikvision Ds-2de Series — versions https://www.hikvision.com/en/support/download/firmware/security-firmware-download/

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

hsrc@hikvision.com

Frequently asked questions

What is CVE-2026-61391?: CVE-2026-61391 is a high-severity vulnerability in Hikvision Ds-2cd Series, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2026-07-22.
How severe is CVE-2026-61391?: High severity. CVSS v3 base score is 7.2 out of 10.