CVE-2021-26709
9.8
CRITICAL · CVSS 3.1 · EPSS 40.1% (pctl 99)
Patch early
EPSS 40.1% — above the 10% action threshold.
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
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 40.08% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-04-07 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| d-link | dsl-320b-d1 |
References
- http://packetstormsecurity.com/files/162133/D-Link-DSL-320B-D1-Pre-Authentication-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2021/Apr/15
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10216
- https://www.dlink.com/en/security-bulletin
- http://packetstormsecurity.com/files/162133/D-Link-DSL-320B-D1-Pre-Authentication-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2021/Apr/15
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10216
- https://www.dlink.com/en/security-bulletin
→ the Explorer · watch your stack · NVD