9.8

CVE-2022-26258: D-Link DIR-820L Remote Code Execution Vulnerability

CVSS: 9.8v3.1CriticalKEVAnalyzed
Published 27-03-2022Last modified 09-07-2026

Vulnerability summary

CVE-2022-26258 is a critical (CVSS 9.8) OS Command Injection vulnerability in D-Link DIR-820L. It is known to be exploited: CISA lists it, first on 08-09-2022. EPSS estimates a 91.63% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
91.63%
0%100%
Critical · -0.35 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits2github

Timeline

  1. 27-03-2022
    PublishedVulnerability first disclosed.
  2. 08-09-2022
    Added to CISA KEVD-Link DIR-820L Remote Code Execution Vulnerability
  3. 29-09-2022
    CISA remediation dueThe impacted product is end-of-life and should be disconnected if still in use.
  4. 09-07-2026
    Last modifiedVulnerability information updated.

Description

D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

91.63%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

-0.35 pp

From 91.98% on 21-09-2026

21-09-202621-10-2026
EPSS score
91.63%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
08-09-2022
Federal due date
29-09-2022

CISA required action

The impacted product is end-of-life and should be disconnected if still in use. supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10295 nvd.nist.gov/vuln/detail/CVE-2022-26258

Public exploits

2 found
  • githubUnverified

    Vuln

    Maturity: poc

  • githubUnverified

    Cve Info Data

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Dlink1 product

1 vendor · 1 product

References

4 links