What’s Vulnerable › Vulnerabilities

CVE-2021-30072

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in prog.cgi on D-Link DIR-878 1.30B08 devices. Because strcat is misused, there is a stack-based buffer overflow that does not require authentication.

Affected products

• D-Link DIR-878: through 1.30b08

References

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10217
• https://www.dlink.com/en/security-bulletin/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10217
• https://www.dlink.com/en/security-bulletin/

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