CVE-2021-26709Dsl-320b-D1 Out-of-Bounds Write
D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters.
Published Apr 7, 2021 · Updated Nov 21, 2024
Key Facts
Patch in the next maintenance window- CVE-2021-26709 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dsl-320b-D1 (D-Link).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 40% probability of exploitation in the next 30 days.
- Fixed versions are available, including Dsl-320b-D1 <=eu_1.25, Dsl-320b-D1 eu_1.25.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
40%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
44/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Dsl-320b-D1D-Link | See advisory | eu_1.25 |
Patched Releases
Dsl-320b-D1
<=eu_1.25
Timeline
Publicly disclosed
Apr 7, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-787 Out-of-bounds Write
FAQ
Common Questions.
D-Link DSL-320B-D1 devices through EU_1.25 are prone to multiple Stack-Based Buffer Overflows that allow unauthenticated remote attackers to take over a device via the login.xgi user and pass parameters.
Affected: Dsl-320b-D1 (D-Link). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Dsl-320b-D1 <=eu_1.25, Dsl-320b-D1 eu_1.25.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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