Vulnerability · Published Aug 24, 2021 · Assigned by mitre

CVE-2021-39510

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 8.6% (higher than 95% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)8.6%top 4.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An issue was discovered in D-Link DIR816_A1_FW101CNB04 750m11ac wireless router, The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.

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/doudoudedi/main-DIR-816_A1_Command-injection/blob/main/injection_A1.md x_refsource_MISC
https://github.com/doudoudedi/main-DIR-816_A1_Command-injection x_refsource_MISC