TOTOLINK N200RE 9.3.5u.6437_B2023051 setOpModeCfg Hostname command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6437_B2023051. This issue affects the function setOpModeCfg. This manipulation of the argument Hostname causes command injection. This vulnerability is registered as CVE-2025-55893. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in TOTOLINK N200RE 9.3.5u.6437_B2023051 and classified as critical. Affected by this vulnerability is the function setOpModeCfg. The manipulation of the argument hostName with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

TOTOLINK N200RE V9.3.5u.6437_B20230519 is vulnerable to command Injection in setOpModeCfg via hostName.

This vulnerability is known as CVE-2025-55893 since 08/16/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/15/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/16/2025 CVE reserved
12/15/2025 +121 days Advisory disclosed
12/15/2025 +0 days VulDB entry created
12/15/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Status: Not defined

CVE: CVE-2025-55893 (🔒)
GCVE (CVE): GCVE-0-2025-55893
GCVE (VulDB): GCVE-100-336505

Entryinfo

Created: 12/15/2025 21:33
Changes: 12/15/2025 21:33 (53)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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