What is CVE-2021-30072?

CVE-2021-30072 is a critical-severity vulnerability in Dlink Dir-878, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-04-02.

How severe is CVE-2021-30072?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Dlink Dir-878

CVE-2021-30072

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.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (69.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Dlink Dir-878 — versions ax
Dlink Dir-878_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-30072?: CVE-2021-30072 is a critical-severity vulnerability in Dlink Dir-878, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-04-02.
How severe is CVE-2021-30072?: Critical severity. CVSS v3 base score is 9.8 out of 10.