Tenda AC5 02.03.01.111_multi Wifi /goform/setWifi wifiPwd 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-$5k2.04+

Summaryinfo

A vulnerability classified as very critical has been found in Tenda AC5 02.03.01.111_multi. This affects an unknown part of the file /goform/setWifi of the component Wifi Handler. Performing a manipulation of the argument wifiPwd results in stack-based overflow. This vulnerability is identified as CVE-2026-105778. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as very critical has been found in Tenda AC5 02.03.01.111_multi. This affects some unknown processing of the file /goform/setWifi of the component Wifi Handler. The manipulation of the argument wifiPwd with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-105778. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/05/2026).

The exploit is shared for download 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.

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

Productinfo

Type

Vendor

Name

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: 9.0

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

10/05/2026 Advisory disclosed
10/05/2026 +0 days VulDB entry created
10/05/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-105778 (🔒)
GCVE (CVE): GCVE-0-2026-105778
GCVE (VulDB): GCVE-100-413811
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/05/2026 22:40
Changes: 10/05/2026 22:40 (57)
Complete: 🔍
Submitter: raisecnull
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #992587: Tenda AC5 V02.03.01.111_multi Buffer Overflow (by raisecnull)

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

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