# CVE-2026-61391: Hikvision DS-2CD and DS-2DE Series stack-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-61391-hikvision-ds-2cd-and-ds-2de-series-stack-based-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-22. Updated: 2026-07-22  
License: CC BY 4.0 with a link back

CVE-2026-61391 · Severity: high · CVSS 7.2 · Published 2026-07-22

A security vulnerability has been identified in certain Hikvision network cameras used for video surveillance. An authorized user with high-level permissions could exploit this flaw to cause the camera to malfunction or crash by sending specifically designed network traffic. This could lead to a loss of video monitoring capabilities and potential disruption of security operations.

Technologies: [Hikvision DS-2CD Series](https://junglewise.ai/threats/technologies/ds-2cd-series), [Hikvision DS-2DE Series](https://junglewise.ai/threats/technologies/ds-2de-series). Vendors: [Hikvision](https://junglewise.ai/threats/vendors/hikvision).

## Quick answers

**Is CVE-2026-61391 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-61391 being exploited in the wild.

**How severe is CVE-2026-61391?** High severity, with a CVSS score of 7.2, published 22 July 2026.

**Which products and versions are affected?** Hikvision DS-2CD Series; Hikvision DS-2DE Series.

**Is there a fix for CVE-2026-61391?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-61391 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-61391?** Check whether you run Hikvision DS-2CD Series or Hikvision DS-2DE Series. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stack-based buffer overflow vulnerability exists in the firmware of several Hikvision camera series, including the DS-2CD and DS-2DE lines. The flaw is triggered when the device processes specially crafted network packets. While the attack can be carried out over the network, it requires the attacker to be authenticated with high-level privileges (PR:H). Successful exploitation can lead to a denial-of-service condition (device malfunction) or potentially broader system compromise. Hikvision has released a security advisory directing users to their firmware download page for updates.

## Affected products

- Hikvision DS-2CD Series
- Hikvision DS-2DE Series

## Timeline

- 2026-07-22: advisory: Initial disclosure by Hikvision and NVD publication

## References

- [https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-vulnerabilities-in-some-hikvision-cameras/](https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-vulnerabilities-in-some-hikvision-cameras/)

## Related threats

- [Hikvision DS-2CD and DS-2DE Series information disclosure](https://junglewise.ai/threats/cve-2026-61392-hikvision-ds-2cd-and-ds-2de-series-information-disclosure)
- [Hikvision Cameras heap buffer overflow in DS-2CD and DS-2DE series](https://junglewise.ai/threats/cve-2026-61390-hikvision-cameras-heap-buffer-overflow-in-ds-2cd-and-ds-2de)
- [Hikvision Camera Series improper input validation in firmware](https://junglewise.ai/threats/cve-2026-57600-hikvision-camera-series-improper-input-validation-in-firmware)