CVE-2020-9544
Last modified
CVE-2020-9544 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. Any attacker that can access the administrative interface can install firmware of their choice.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| D-Link | Dsl-2640b Firmware | e1_eu_1.01 |
References
- https://ktln2.org/2020/03/05/cve-2020-9544/Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
- https://ktln2.org/2020/03/05/cve-2020-9544/Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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