TOTOLINK N150RT up to 3.4.0-B20201030 Port-Forwarding Configuration /boafrm/formPortFw ip_subnet/fw_ip buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k1.04-

Summaryinfo

A vulnerability classified as very critical has been found in TOTOLINK N150RT up to 3.4.0-B20201030. Affected is the function formPortFw of the file /boafrm/formPortFw of the component Port-Forwarding Configuration Handler. Performing a manipulation of the argument ip_subnet/fw_ip results in buffer overflow. This vulnerability is known as CVE-2026-94952. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as very critical has been found in TOTOLINK N150RT up to 3.4.0-B20201030. This affects the function formPortFw of the file /boafrm/formPortFw of the component Port-Forwarding Configuration Handler. The manipulation of the argument ip_subnet/fw_ip with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A stack-based buffer overflow vulnerability exists in the web management interface of TOTOLINK N150RT (NTR150) firmware V3.4.0-B20201030. It is reachable through the route /boafrm/formPortFw (port-forwarding configuration handler) and is triggered by the ip_subnet and fw_ip request parameters during the rule-addition flow.

It is possible to read the advisory at gist.github.com. This vulnerability is uniquely identified as CVE-2026-94952 since 09/22/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/29/2026).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.9
VulDB Temp Score: 9.6
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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

09/22/2026 CVE reserved
09/29/2026 +7 days Advisory disclosed
09/29/2026 +0 days VulDB entry created
09/29/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2026-94952 (🔒)
GCVE (CVE): GCVE-0-2026-94952
GCVE (VulDB): GCVE-100-411795

Entryinfo

Created: 09/29/2026 23:17
Changes: 09/29/2026 23:17 (56)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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