Vulnerability · Published Apr 7, 2021 · Assigned by mitre

CVE-2021-26709

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 40.1% (higher than 99% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)40.1%top 1.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

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://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10216 x_refsource_MISC
20210408 CVE-2021-26709 - Multiple Pre-Auth Stack Buffer Overflow in D-Link DSL-320B-D1 ADSL Modem mailing-list, x_refsource_FULLDISC
http://packetstormsecurity.com/files/162133/D-Link-DSL-320B-D1-Pre-Authentication-Buffer-Overflow.html x_refsource_MISC