Vulnerability · Published Jul 16, 2021 · Assigned by talos

CVE-2021-21818

High 7.5

In plain English

A high-severity security flaw in D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)1.7%top 22.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A hard-coded password vulnerability exists in the Zebra IP Routing Manager functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of requests to trigger this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
n/a	D-Link	D-LINK DIR-3040 1.13B03

Weakness: CWE-259 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1283 x_refsource_MISC