What’s Vulnerable › Vulnerabilities

CVE-2021-44880

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-04 · updated 2026-06-17
• Weakness: CWE-77

Description

D-Link devices DIR_878 DIR_878_FW1.30B08_Hotfix_02 and DIR_882 DIR_882_FW1.30B06_Hotfix_02 were discovered to contain a command injection vulnerability in the system function. This vulnerability allows attackers to execute arbitrary commands via a crafted HNAP1 POST request.

Affected products

• D-Link DIR-878: through 1.20b05; 1.30b08-hotfix_02_beta
• D-Link DIR-882: through 1.30b06; 1.30b06-hotfix_02_beta

References

• https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_2/2.md
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10286
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10287
• https://www.dlink.com/en/security-bulletin/
• https://github.com/pjqwudi/my_vuln/blob/main/D-link/vuln_2/2.md
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10286
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10287
• https://www.dlink.com/en/security-bulletin/

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