Tenda HG9 300001138 GPON Configuration Endpoint /boaform/formgponConf fmgpon_loid/fmgpon_loid_password stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. Such manipulation of the argument fmgpon_loid/fmgpon_loid_password leads to stack-based overflow. This vulnerability is documented as CVE-2026-2907. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Tenda HG9 300001138 and classified as critical. Affected by this issue is some unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. The manipulation of the argument fmgpon_loid/fmgpon_loid_password 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 for download at github.com. This vulnerability is handled as CVE-2026-2907. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

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: 🔒

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

02/20/2026 Advisory disclosed
02/20/2026 +0 days VulDB entry created
02/23/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-2907 (🔒)
GCVE (CVE): GCVE-0-2026-2907
GCVE (VulDB): GCVE-100-347216
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/20/2026 21:19
Updated: 02/23/2026 03:22
Changes: 02/20/2026 21:19 (57), 02/23/2026 03:22 (31)
Complete: 🔍
Submitter: LINXI666
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #755201: Tenda HG9 V300001138 Stack-based Buffer Overflow (by LINXI666)

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