CVE-2026-4534 | THREATINT

Description

A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

PUBLISHED Reserved 2026-03-21 | Published 2026-03-22 | Updated 2026-03-23 | Assigner VulDB

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.0.0.9

affected

Timeline

2026-03-21:	Advisory disclosed
2026-03-21:	VulDB entry created
2026-03-21:	VulDB entry last update

Credits

LtzHuster (VulDB User) reporter

References

vuldb.com/?id.352322 (VDB-352322 | Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.352322 (VDB-352322 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.774342 (Submit #774342 | Tenda FH451 V1.0.0.9 Stack-based Buffer Overflow) third-party-advisory

github.com/...gzheng/vul_db/blob/main/FH451/vul_41/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-4534)

nvd.nist.gov (CVE-2026-4534)

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