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ID

VAR-202603-0999


CVE

CVE-2026-3808


TITLE

Shenzhen Tenda Technology Co.,Ltd. of FH1202  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-006526

DESCRIPTION

A vulnerability was detected in Tenda FH1202 1.2.0.14(408). The affected element is the function formWebTypeLibrary of the file /goform/webtypelibrary. Performing a manipulation of the argument webSiteId results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used. An exploit has been publicly disclosed and is 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-2026-3808 // JVNDB: JVNDB-2026-006526

AFFECTED PRODUCTS

vendor:tendamodel:fh1202scope:eqversion:1.2.0.14\(408\)

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vendor:tendamodel:fh1202scope:eqversion: -

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vendor:tendamodel:fh1202scope:eqversion:fh1202 firmware 1.2.0.14¥(408¥)

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vendor:tendamodel:fh1202scope: - version: -

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sources: JVNDB: JVNDB-2026-006526 // NVD: CVE-2026-3808

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-3808
value: HIGH

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OTHER: JVNDB-2026-006526
value: HIGH

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cna@vuldb.com: CVE-2026-3808
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-2026-006526
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-2026-3808
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-2026-006526
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-2026-006526 // NVD: CVE-2026-3808

PROBLEMTYPE DATA

problemtype:CWE-119

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problemtype:CWE-121

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

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problemtype: Stack-based buffer overflow (CWE-121) [ others ]

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sources: JVNDB: JVNDB-2026-006526 // NVD: CVE-2026-3808

PATCH

title:Tenda FH1202 V1.2.0.14(408) Buffer Overflowurl:https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-fh1202-webtypelibrary-websiteid-buffer-overflow

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sources: JVNDB: JVNDB-2026-006526

EXTERNAL IDS

db:NVDid:CVE-2026-3808

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db:VULDBid:349774

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db:JVNDBid:JVNDB-2026-006526

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sources: JVNDB: JVNDB-2026-006526 // NVD: CVE-2026-3808

REFERENCES

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

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url:https://vuldb.com/?id.349774

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url:https://vuldb.com/?submit.769023

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url:https://vuldb.com/?ctiid.349774

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url:https://github.com/svigo-o/tenda_vul/tree/main/tenda-fh1202-webtypelibrary-websiteid-buffer-overflow

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url:https://nvd.nist.gov/vuln/detail/cve-2026-3808

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sources: JVNDB: JVNDB-2026-006526 // NVD: CVE-2026-3808

SOURCES

db:JVNDBid:JVNDB-2026-006526
db:NVDid:CVE-2026-3808

LAST UPDATE DATE

2026-03-12T23:29:36.313000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-006526date:2026-03-11T06:58:00
db:NVDid:CVE-2026-3808date:2026-03-09T15:30:33.183

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-006526date:2026-03-11T00:00:00
db:NVDid:CVE-2026-3808date:2026-03-09T08:16:01.030