Vulnerability in Dlink Dir-3040
CVE-2021-21818
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.
EPSS: 0.019 (78.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Dlink Dir-3040
- Dlink Dir-3040_firmware — versions 1.13b03
- N/a D-link — versions D-LINK DIR-3040 1.13B03
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21818?
- CVE-2021-21818 is a high-severity vulnerability in Dlink Dir-3040, classified under Use of Hard-coded Password. CVSS score: 7.5/10. Published 2021-07-16.
- How severe is CVE-2021-21818?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-21818 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.