Vulnerability · Published Mar 31, 2022 · Assigned by mitre

CVE-2021-43722

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 3.2% (higher than 88% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)3.2%top 12.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction header onto the stack and has no limit on the size.

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/luqiut/iot/blob/main/DIR-645%20Stack%20overflow.md x_refsource_MISC