Vulnerability · Published Dec 1, 2021 · Assigned by mitre

CVE-2021-33270

Critical 9.8

In plain English

A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.0% (higher than 90% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)4.0%top 9.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_800462c4 in /formAdvFirewall. This vulnerability is triggered via a crafted POST request.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.dlink.com/en/security-bulletin/ x_refsource_MISC
https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln06 x_refsource_MISC