Netcore NR289-GE 1.4.5102 Authentication /bin/boa password-check Username stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k1.18

Summaryinfo

A vulnerability has been found in Netcore NR289-GE 1.4.5102 and classified as critical. The impacted element is the function password-check of the file /bin/boa of the component Authentication. The manipulation of the argument Username leads to stack-based overflow. This vulnerability is referenced as CVE-2026-101074. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Netcore NR289-GE 1.4.5102 and classified as critical. This issue affects the function password-check of the file /bin/boa of the component Authentication. The manipulation of the argument username with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-101074. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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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

09/27/2026 Advisory disclosed
09/27/2026 +0 days VulDB entry created
09/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-101074 (🔒)
GCVE (CVE): GCVE-0-2026-101074
GCVE (VulDB): GCVE-100-410945
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/27/2026 19:53
Changes: 09/27/2026 19:53 (59)
Complete: 🔍
Submitter: yyycl
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #929202: Netcore磊科 Router Firmware NR289-GE_V1.4.5102 Stack-based Buffer Overflow (by yyycl)

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

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