D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the…
Priority HIGH 73CWE-121Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · 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-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the User-Agent parameter. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input, and possibly remote code execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01205 68th 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
- Total
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-823g_firmware:1.0.2b05:*:*:*:*:*:*:* | 1.0.2b05 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-823g:a1:*:*:*:*:*:*:* | a1 | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:* Versions 1.0.2b05 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-823g: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-2024-27657
- 2026-10-03 Alias added: GHSA-hx98-5v9p-2p84
References
More D-Link Japan K.K. Dir-823g Firmware vulnerabilities
- TI-2023-23153 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
- TI-2023-23147 D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter… CVSS 3.1CRITICAL 9.8
- TI-2023-13961 D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings. CVSS 3.1CRITICAL 9.8
- TI-2023-11745 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8
- TI-2023-11743 An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows… CVSS 3.1CRITICAL 9.8
- TI-2023-11742 D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-27657 · CVE Program
- CVE-2024-27657 · NVD
- FIRST EPSS
- GHSA-hx98-5v9p-2p84 · GitHub Advisory Database · CC BY 4.0
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