9.8

CVE-2023-51987: dlink dir-822_firmware

CVSS: 9.8v3.1CriticalModified
Published 11-01-2024Last modified 20-06-2025

Vulnerability summary

CVE-2023-51987 is a critical (CVSS 9.8) vulnerability in dlink dir-822_firmware. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.08%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 11-01-2024
    PublishedVulnerability first disclosed.
  2. 20-06-2025
    Last modifiedVulnerability information updated.

Description

D-Link DIR-822+ V1.0.2 contains a login bypass in the HNAP1 interface, which allows attackers to log in to administrator accounts with empty passwords.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

+0.17 pp

From 0.92% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Iot Vuls

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Dlink1 product

1 vendor · 1 product

References

1 links