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Vulnerability record · CVE-2023-43130 · published 22 September 2023

CVE-2023-43130: Dlink dir-806 firmware os command injection vulnerability

Dlink · Dir 806 Firmware

D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection.

9.8 CVSS 3.1 Critical EPSS 2.8% · top 14.0% CWE-78 · OS command injection
9.8CVSS 3.1 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-806 Product
https://github.com/mmmmmx1/dlink/tree/main/DIR-806/3 ExploitThird Party Advisory
http://www.dlink.com.cn/techsupport/ProductInfo.aspx?m=DIR-806 Product
https://github.com/mmmmmx1/dlink/tree/main/DIR-806/3 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-43129Dlink dir-806 firmware os command injection vulnerabilityD-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection due to lax filtering of REMOTE_PORT parameters.EPSS 2.8%9.8CVE-2023-43128Dlink dir-806 firmware command injection vulnerabilityD-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection due to lax filtering of HTTP_ST parameters.EPSS 2.8%9.8CVE-2019-10891Dlink dir-806 firmware os command injection vulnerabilityAn issue was discovered in D-Link DIR-806 devices. There is a command injection in function hnap_main, which calls system() without checking the para…EPSS 19%9.8CVE-2019-10892Dlink dir-806 firmware out-of-bounds write vulnerabilityAn issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will …EPSS 2.3%5.3CVE-2025-4340Dlink dir-806 firmware injection vulnerabilityA vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03. Affected is the function sub_175C8 of t…EPSS 4.9%8.8CVE-2026-53266Linux kernel ebtables SNAT out-of-bounds write in ARP rewriteThe ebtables SNAT target rewrites the ARP sender hardware address via skb_store_bits() without first making that range writable. When the ARP SHA byt…KEVEPSS 0.65%analysed8.8CVE-2026-87491Google Chrome V8 out-of-bounds write enables sandbox code executionChrome before 153.0.8010.36 contains an out-of-bounds write in the V8 JavaScript engine. A crafted HTML page can trigger the memory corruption, and b…KEVEPSS 3.1%analysed9.8CVE-2025-25249Fortinet FortiOS and FortiSwitchManager heap buffer overflow via crafted packetsA heap-based buffer overflow (CWE-122/CWE-787) in Fortinet FortiOS 6.4 through 7.6.3 and FortiSwitchManager 7.0 through 7.2.6 lets an unauthenticated…KEVEPSS 3.9%analysed

Source: NIST National Vulnerability Database (record CVE-2023-43130), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.