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Fencer Vulns
high 7.4

CVE-2023-28811 json

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models.

published 2023-11-23 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32446

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

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.

Patch / fix

  • hikvision nvr-216mh-c(d)_firmware 4.1.60
  • hikvision nvr-216mh-c/16p(d)_firmware 4.1.60
  • hikvision nvr-208mh-c/8p(d)_firmware 4.1.60
  • hikvision nvr-104mh-c/4p(d)_firmware 4.1.60
  • hikvision nvr-104mh-c(d)_firmware 4.1.60
  • hikvision nvr-108mh-c(d)_firmware 4.1.60
  • hikvision nvr-116mh-c(d)_firmware 4.1.60
  • hikvision ds-7104ni-q1(c)_firmware 4.1.60
  • hikvision ds-7104ni-q1(d)_firmware 4.1.60
  • hikvision ds-7108ni-q1(c)_firmware 4.1.60
  • hikvision ds-7108ni-q1(d)_firmware 4.1.60
  • hikvision nvr-104mh-d(c)_firmware 4.1.60
  • hikvision nvr-104mh-d(d)_firmware 4.1.60
  • hikvision nvr-108h-d(c)_firmware 4.1.60
  • hikvision nvr-108mh-d(c)_firmware 4.1.60
  • hikvision nvr-108mh-d(d)_firmware 4.1.60
  • hikvision nvr-104mh-d/4p(c)_firmware 4.1.60
  • hikvision nvr-108h-d/8p(c)_firmware 4.1.60
  • hikvision nvr-108h-d/8p(d)_firmware 4.1.60
  • hikvision nvr-108mh-d/8p(c)_firmware 4.1.60

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Hikvision iDS-EXXHUH
  • Hikvision DS-EXXHGH
  • Hikvision iDS-EXXHQH
  • Hikvision DVR-EXXHUH
  • Hikvision DVR-EXXHGH
  • Hikvision DVR-EXXHQH
  • Hikvision iDS-72XXHQH-M(C)
  • Hikvision iDS-72XXHUH-M(C)
  • Hikvision iDS-72XXHQH-M(E)
  • Hikvision iDS-72XXHUH-M(E)
  • Hikvision iDS-72XXHTH-M(C)
  • Hikvision HW-HWD-72XXMH-G4
  • Hikvision HW-HWD-62XXMH-G4
  • Hikvision HL-DVR-216Q-K2(E)
  • Hikvision DS-71XXHGH-M(C)
  • Hikvision DS-72XXHGH-M(C)
  • Hikvision DS-71XXHGH-K(S)
  • Hikvision DS-72XXHGH-K(S)
  • Hikvision HL-DVR-1XXG-K(S)
  • Hikvision HL-DVR-2XXG-K(S)
  • Hikvision HL-DVR-1XXG-M(C)
  • Hikvision HL-DVR-2XXG-M(C)
  • Hikvision HW-HWD-51XXH(S)
  • Hikvision HW-HWD-51XXH-G
  • Hikvision HW-HWD-51XXMH-G
  • Hikvision iDS-71xxHQH-M(C)
  • Hikvision iDS-71xxHQH-M(E)
  • Hikvision iDS-72xxHQH-M/E(C)
  • Hikvision iDS-72xxHQH-M/E(E)
  • Hikvision HL-DVR-2XXQ-M(C)
  • Hikvision HL-DVR-2XXQ-M(E)
  • Hikvision HW-HWD-61XXMH-G4
  • Hikvision HW-HWD-61XXMH-G4(E)
  • Hikvision iDS-71xxHUH-M(C)
  • Hikvision iDS-72xxHUH-M/E(C)
  • Hikvision iDS-71xxHUH-M(E)
  • Hikvision iDS-72xxHUH-M/E(E)
  • Hikvision HL-DVR-2XXU-M(C)
  • Hikvision HL-DVR-2XXU-M(E)
  • Hikvision HW-HWD-71XXMH-G4
  • Hikvision HW-HWD-71XXMH-G4(E)
  • Hikvision NVR-2xxMH-C(D)
  • Hikvision NVR-1xxMH-C(D)
  • Hikvision HW-HWN-42xxMH(D)
  • Hikvision HW-HWN-41xxMH(D)
  • Hikvision DS-71xxNI-Q1(C)
  • Hikvision DS-71xxNI-Q1(D)
  • Hikvision HL-NVR-1xxMH-D(C)
  • Hikvision HL-NVR-1xxMH-D(D)
  • Hikvision HW-HWN-21xxMH(C)

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.