An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows unauthorized attackers to execute arbitrary operating system commands via a crafted GET request to EXCU_SHELL.
Conclusion & alert: CVE-2023-26613 is rated High Exploit Risk (85.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 63.55%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-25 | 66.28% | 63.55% | -2.73% |
| 2 | 2026-03-24 | 68.95% | 66.28% | -2.67% |
| 3 | 2025-11-21 | — | 68.95% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dlink | dir-823g_firmware | 1.02b05 | cpe:2.3:o:dlink:dir-823g_firmware:1.02b05:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/726232111/VulIoT/tree/main/D-Link/DIR823G%20V1.0.2B05/excu_shell | Exploit Third Party Advisory |
| https://www.dlink.com/en/security-bulletin/ | Vendor Advisory |