Information disclosure in Dlink Dir-3040
CVE-2021-21816
An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attacker can send an HTTP request to trigger this vulnerability.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.324 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.324 · newest: 0.324 · change: 0.000
Affected products
- Dlink Dir-3040
- Dlink Dir-3040 Firmware — versions 1.13b03
- D-Link — versions D-LINK DIR-3040 1.13B03
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talosintelligence.com/vulnerability_reports/TALOS-2021-1281 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21816?
- CVE-2021-21816 is a medium-severity vulnerability in Dlink Dir-3040, classified under Information Disclosure. CVSS score: 4.3/10. Published 2021-07-16.
- How severe is CVE-2021-21816?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-21816 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.