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.
Conclusion & alert: CVE-2023-28811 is rated Low Risk (34/100): CVSS High severity, with low exploitation likelihood (EPSS 0.04%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-02 | 0.05% | 0.04% | -0.01% |
| 2 | 2025-08-30 | 0.04% | 0.05% | +0.02% |
| 3 | 2025-07-21 | — | 0.04% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.4 | 3.1 | HIGH |
|
2.8 | 4.0 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hikvision | nvr-216mh-c\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-216mh-c\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-216mh-c\/16p\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-216mh-c\/16p\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-208mh-c\/8p\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-208mh-c\/8p\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-104mh-c\/4p\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-104mh-c\/4p\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-104mh-c\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-104mh-c\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108mh-c\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108mh-c\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-116mh-c\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-116mh-c\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7104ni-q1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7104ni-q1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7104ni-q1\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7104ni-q1\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7108ni-q1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7108ni-q1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7108ni-q1\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7108ni-q1\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-104mh-d\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-104mh-d\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-104mh-d\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-104mh-d\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108h-d\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108h-d\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108mh-d\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108mh-d\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108mh-d\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108mh-d\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-104mh-d\/4p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-104mh-d\/4p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108h-d\/8p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108h-d\/8p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108h-d\/8p\(d\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108h-d\/8p\(d\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108mh-d\/8p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108mh-d\/8p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7604ni-q1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7604ni-q1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7604ni-q1\/4p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7604ni-q1\/4p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7608ni-q1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7608ni-q1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7608ni-q1\/8p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7608ni-q1\/8p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7608ni-q2\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7608ni-q2\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7608ni-q2\/8p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7608ni-q2\/8p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7616ni-q1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7616ni-q1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7616ni-q2\/16p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7616ni-q2\/16p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7616ni-q2\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7616ni-q2\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7604ni-k1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7604ni-k1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7604ni-k1\/4p\/4g\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7604ni-k1\/4p\/4g\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7608ni-k1\/8p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7608ni-k1\/8p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7608ni-k1\/8p\/4g\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7608ni-k1\/8p\/4g\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | ds-7616ni-k1\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:ds-7616ni-k1\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-208mh-c\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-208mh-c\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-104mh-c\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-104mh-c\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108mh-c\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108mh-c\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-108mh-c\/8p\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-108mh-c\/8p\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | nvr-116mh-c\(c\)_firmware | < 4.1.60 | cpe:2.3:o:hikvision:nvr-116mh-c\(c\)_firmware:*:*:*:*:*:*:*:* |
| hikvision | dvr_firmware | < 4.1.60 | cpe:2.3:o:hikvision:dvr_firmware:*:*:*:*:*:*:*:* |