D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the…
Priority HIGH 66CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.05837 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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-816_firmware:1.10cnb05:*:*:*:*:*:*:* | 1.10cnb05 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-816:a2:*:*:*:*:*:*:* | a2 | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:* Versions 1.10cnb05 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-816:a2:*:*:*:*:*:*:* Versions a2 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-2025-61577
- 2026-10-03 Alias added: GHSA-72cr-6q6w-frg8
References
More D-Link Japan K.K. Dir-816 Firmware vulnerabilities
- TI-2025-28895 An issue D-Link DIR-816-A2 DIR-816A2_FWv1.10CNB05_R1B011D88210 allows a remote attacker… CVSS 3.1CRITICAL 9.8
- TI-2024-38028 An access control issue in the component formDMZ.cgi of D-Link… CVSS 3.1CRITICAL 9.8
- TI-2023-09977 Command Injection vulnerability in D-Link Dir 816 with firmware version… CVSS 3.1CRITICAL 9.8
- TI-2022-20974 D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the pskValue… CVSS 3.1CRITICAL 9.8
- TI-2022-20973 D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the… CVSS 3.1CRITICAL 9.8
- TI-2022-20972 D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the pskValue… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-61577 · CVE Program
- CVE-2025-61577 · NVD
- FIRST EPSS
- GHSA-72cr-6q6w-frg8 · GitHub Advisory Database · CC BY 4.0
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