Sign-up

ID

VAR-202602-0430


CVE

CVE-2026-2202


TITLE

Shenzhen Tenda Technology Co.,Ltd. of AC8  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110

DESCRIPTION

A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used. Exploits have been published and are likely to be used in the wild.All information handled by the software may be leaked to the outside. All information handled by the software may be rewritten. Furthermore, the software may stop working completely. Furthermore, attacks that exploit this vulnerability will not affect other software

Trust: 1.62

sources: NVD: CVE-2026-2202 // JVNDB: JVNDB-2026-003110

AFFECTED PRODUCTS

vendor:tendamodel:ac8scope:eqversion:16.03.33.05

Trust: 1.0

vendor:tendamodel:ac8scope:eqversion:ac8 firmware 16.03.33.05

Trust: 0.8

vendor:tendamodel:ac8scope: - version: -

Trust: 0.8

vendor:tendamodel:ac8scope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110 // NVD: CVE-2026-2202

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-2202
value: HIGH

Trust: 1.0

OTHER: JVNDB-2026-003110
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-2202
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2026-003110
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

cna@vuldb.com: CVE-2026-2202
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2026-003110
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110 // NVD: CVE-2026-2202

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-120

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

problemtype: Classic buffer overflow (CWE-120) [ others ]

Trust: 0.8

problemtype: Classic buffer overflow (CWE-120) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110 // NVD: CVE-2026-2202

PATCH

title:Tenda AC8 V16.03.33.05 Denial of Serviceurl:https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/WifiGuestSet-sharespeed-bufferoverflow.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110

EXTERNAL IDS

db:NVDid:CVE-2026-2202

Trust: 2.6

db:VULDBid:344905

Trust: 1.0

db:JVNDBid:JVNDB-2026-003110

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110 // NVD: CVE-2026-2202

REFERENCES

url:https://www.tenda.com.cn/

Trust: 1.8

url:https://github.com/sunnyyangyaya/cuicuishark-sheep-fishiot/blob/main/tenda/ac8/wifiguestset-sharespeed-bufferoverflow.md

Trust: 1.0

url:https://vuldb.com/?submit.750225

Trust: 1.0

url:https://vuldb.com/?id.344905

Trust: 1.0

url:https://github.com/sunnyyangyaya/cuicuishark-sheep-fishiot/blob/main/tenda/ac8/wifiguestset-sharespeed-bufferoverflow.md#poc

Trust: 1.0

url:https://vuldb.com/?ctiid.344905

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2026-2202

Trust: 0.8

sources: JVNDB: JVNDB-2026-003110 // NVD: CVE-2026-2202

SOURCES

db:JVNDBid:JVNDB-2026-003110
db:NVDid:CVE-2026-2202

LAST UPDATE DATE

2026-02-12T23:50:12.849000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-003110date:2026-02-12T07:26:00
db:NVDid:CVE-2026-2202date:2026-02-10T15:07:30.390

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-003110date:2026-02-12T00:00:00
db:NVDid:CVE-2026-2202date:2026-02-09T03:16:13.590