CVE-2021-21816: dlink dir-3040_firmware
CVSS: 6.5v3.0MediumModified
Published 16-07-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-21816 is a medium (CVSS 6.5) vulnerability in dlink dir-3040_firmware. EPSS estimates a 32.39% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.0 (CVE.org)EPSS score
32.39%
0%100%
High · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 16-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NSourcesSingle source
Medium 6.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
32.39%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 32.39% on 19-09-2026
19-09-202619-10-2026
EPSS score32.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-3040_firmware1.13b03
1 vendor · 1 product
References
1 links- talosintelligence.com/vulnerability_reports/TALOS-2021-1281X Refsource MISCExploitThird Party Advisory