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A720R Firmware CVE-2025-60683

MEDIUM
Command Injection (CWE-77)
2025-11-13 cve@mitre.org
6.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:22 vuln.today
PoC Detected
Nov 17, 2025 - 19:16 vuln.today
Public exploit code
CVE Published
Nov 13, 2025 - 16:15 nvd
MEDIUM 6.5

DescriptionCVE.org

A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the sysconf binary, specifically in the sub_40BFA4 function that handles network interface reinitialization from '/var/system/linux_vlan_reinit'. Input is only partially validated by checking the prefix of interface names, and is concatenated into shell commands executed via system() without escaping. An attacker with write access to this file can execute arbitrary commands on the device.

AnalysisAI

A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the sysconf binary, specifically in the sub_40BFA4 function that handles network interface. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 10.3%.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the sysconf binary, specifically in the sub_40BFA4 function that handles network interface reinitialization from '/var/system/linux_vlan_reinit'. Input is only partially validated by checking the prefix of interface names, and is concatenated into shell commands executed via system() without escaping. An attacker with write access to this file can execute arbitrary commands on the device. Affected products include: Totolink A720R Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

CVE-2021-35327 CRITICAL POC
9.8 Aug 05

A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, th

CVE-2021-35324 CRITICAL POC
9.8 Aug 05

A vulnerability in the Form_Login function of TOTOLINK A720R A720R_Firmware V4.1.5cu.470_B20200911 allows attackers to b

CVE-2021-27710 CRITICAL POC
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Command Injection in TOTOLINK X5000R router with firmware v9.1.0u.6118_B20201102, and TOTOLINK A720R router with firmwar

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Command Injection in TOTOLINK X5000R router with firmware v9.1.0u.6118_B20201102, and TOTOLINK A720R router with firmwar

CVE-2022-36610 HIGH POC
7.8 Aug 29

TOTOLINK A720R V4.1.5cu.532_B20210610 was discovered to contain a hardcoded password for root at /etc/shadow.sample. Rat

CVE-2022-36456 HIGH POC
7.8 Aug 25

TOTOLink A720R V4.1.5cu.532_B20210610 was discovered to contain a command injection vulnerability via the username param

CVE-2021-35326 HIGH POC
7.5 Aug 05

A vulnerability in TOTOLINK A720R router with firmware v4.1.5cu.470_B20200911 allows attackers to download the configura

CVE-2021-35325 HIGH POC
7.5 Aug 05

A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers

CVE-2022-38535 HIGH POC
7.2 Sep 15

TOTOLINK-720R v4.1.5cu.374 was discovered to contain a remote code execution (RCE) vulnerability via the setTracerouteCf

CVE-2022-38534 HIGH POC
7.2 Sep 15

TOTOLINK-720R v4.1.5cu.374 was discovered to contain a remote code execution (RCE) vulnerability via the setdiagnosicfg

CVE-2025-4270 MEDIUM POC
6.9 May 05

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. Rated medium severity (CVSS 6.9), this vulnerability is remotel

CVE-2025-4269 MEDIUM POC
6.9 May 05

A vulnerability was found in TOTOLINK A720R 4.1.5cu.374 and classified as critical.cgi of the component Log Handler. Rat

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CVE-2025-60683 vulnerability details – vuln.today

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