CVE-2020-25367
A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B05. An attacker is able to execute arbitrary web scripts via shell metacharacters in the Captcha field to Login.
- 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
- 8.65% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- dlink/dir-823g firmware
- Source
- cve@mitre.org
EPSS 8.6% since 26 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.
References
- https://github.com/sek1th/iot/blob/master/dir823g_3.mdExploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Not Applicable, Vendor Advisory
- https://github.com/sek1th/iot/blob/master/dir823g_3.mdExploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Not Applicable, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.