Known exploited vulnerability
CVE-2021-40655
The short answer
CVE-2021-40655 affects n/a n/a and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-05-16: attackers are using it, so patch it first.
What it is
An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page
Weakness: CWE-863.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since May 16, 2024
Federal due date Jun 6, 2024
EPSS, next 30 days
87%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.
Affected products
n/a, dir-605l_firmware, dir-605l. NVD's record lists the exact affected versions.
References
- github.com/Ilovewomen/D-LINK-DIR-605/ ExploitThird Party Advisory
- www.dlink.com/en/security-bulletin/ Vendor Advisory
- github.com/Ilovewomen/D-LINK-DIR-605/ ExploitThird Party Advisory
- www.dlink.com/en/security-bulletin/ Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40655 US Government Resource
Questions
Is CVE-2021-40655 being exploited?
Yes. CISA added CVE-2021-40655 to its Known Exploited Vulnerabilities catalog on 2024-05-16, with a federal remediation due date of 2024-06-06.
How do I fix CVE-2021-40655?
CISA's required action: This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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