Vulnerability Intelligence Report
D-Link DIR-825 R1 Devices Buffer Overflow Vulnerability
CVE-2020-29557
An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.
CISA KEV
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:54.32%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-119 ↗CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| dlink | dir-825_r1_firmware | all |
| dlink | dir-825 | r1 |
| dlink | dir-825\/a | d1a |
| dlink | dir-825\/ac | e, e1a |
| dlink | dir-825\/acf | f1 |
| dlink | dir-825\/gf | gf |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2020-12-04T00:00:00 |
| Published | 2021-01-29T19:32:51 |
| Last Updated | 2025-10-21T23:35:29 |
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