Comfast CF-N1-S 2.6.0.1 Web Management mbox-config?method=SET§ion=ptest_channel sub_44B50C stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.0$0-$5k10.00-

Summaryinfo

A vulnerability marked as very critical has been reported in Comfast CF-N1-S 2.6.0.1. Affected is the function sub_44B50C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel of the component Web Management. This manipulation causes stack-based overflow. This vulnerability appears as CVE-2026-77148. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as very critical was found in Comfast CF-N1-S 2.6.0.1. Affected by this vulnerability is the function sub_44B50C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel of the component Web Management. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-77148. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/20/2026).

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.0

VulDB Base Score: 9.9
VulDB Temp Score: 9.0
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: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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

08/20/2026 Advisory disclosed
08/20/2026 +0 days VulDB entry created
08/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-77148 (🔒)
GCVE (CVE): GCVE-0-2026-77148
GCVE (VulDB): GCVE-100-393733
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/20/2026 15:54
Changes: 08/20/2026 15:54 (56)
Complete: 🔍
Submitter: 010hex
Cache ID: 216::103

Submitinfo

Accepted

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