Is CVE-2023-6612 actively exploited?

No active exploitation of CVE-2023-6612 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-6612 be exploited remotely?

Yes. CVE-2023-6612 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-6612?

CVE-2023-6612 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-6612

CWE-78Published: December 8, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in Totolink X5000R 9.1.0cu.2300_B20230112. It has been rated as critical. This issue affects the function setDdnsCfg/setDynamicRoute/setFirewallType/setIPSecCfg/setIpPortFilterRules/setLancfg/setLoginPasswordCfg/setMacFilterRules/setMtknatCfg/setNetworkConfig/setPortForwardRules/setRemoteCfg/setSSServer/setScheduleCfg/setSmartQosCfg/setStaticDhcpRules/setStaticRoute/setVpnAccountCfg/setVpnPassCfg/setVpnUser/setWiFiAclAddConfig/setWiFiEasyGuestCfg/setWiFiGuestCfg/setWiFiRepeaterConfig/setWiFiScheduleCfg/setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to os command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-247247. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Risk Analysis

Totolink X5000R firmware version 9.1.0cu.2300_B20230112 is vulnerable to OS command injection across numerous configuration functions. This critical flaw allows unauthenticated remote attackers to execute arbitrary commands on the device. The CVSS score of 9.8 highlights the severity of this remote execution risk.

No public exploit is currently known, and the vulnerability is not in the KEV catalog. The flaw is remotely exploitable with low attack complexity.

Recommended Action

Update the device firmware to a version that addresses these command injection vulnerabilities.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-6612 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.