D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow…
Priority MEDIUM 58CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the PSK parameter in the SetQuickVPNSettings module.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00331 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-853_firmware:1.20b07:*:*:*:*:*:*:* | 1.20b07 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-853:a1:*:*:*:*:*:*:* | a1 | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-853_firmware:1.20b07:*:*:*:*:*:*:* Versions 1.20b07 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-853:a1:*:*:*:*:*:*:* Versions a1 Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-25740
- 2026-10-03 Alias added: GHSA-9rhh-9h7r-f9gf
References
More D-Link Japan K.K. Dir-853 Firmware vulnerabilities
- TI-2025-19119 D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow… CVSS 3.1CRITICAL 9.8
- TI-2025-19117 D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow… CVSS 3.1CRITICAL 9.8
- TI-2025-19115 D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow… CVSS 3.1CRITICAL 9.8
- TI-2025-19118 D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow… CVSS 3.1HIGH 8.8
- TI-2025-19116 D-Link DIR-853 A1 FW1.20B07 was discovered to contain a command injection vulnerability… CVSS 3.1HIGH 7.2
- TI-2024-00658 D-Link Good Line Router v2 HTTP GET Request devinfo information disclosure CVSS 3.1MEDIUM 5.3
Sources
- CVE-2025-25740 · CVE Program
- CVE-2025-25740 · NVD
- FIRST EPSS
- GHSA-9rhh-9h7r-f9gf · GitHub Advisory Database · CC BY 4.0
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