SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-26613

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.

CRITICAL 9.8EPSS 31.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 31.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
31.40% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
dlink/dir-823g firmware
Source
cve@mitre.org
EPSS trend
0%18%35%4 October 2026: 31.40%4 October 20264 October 2026

EPSS 31.4% since 4 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.