CVE-2026-6121 | THREATINT

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Description

A flaw has been found in Tenda F451 1.0.0.7. Affected by this vulnerability is the function WrlclientSet of the file /goform/WrlclientSet of the component httpd. This manipulation of the argument GO causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.

PUBLISHED Reserved 2026-04-11 | Published 2026-04-12 | Updated 2026-04-12 | 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

1.0.0.7
affected

Timeline

2026-04-11:	Advisory disclosed
2026-04-11:	VulDB entry created
2026-04-11:	VulDB entry last update

Credits

Jimi (VulDB User) reporter

References

vuldb.com/vuln/356984 (VDB-356984 | Tenda F451 httpd WrlclientSet stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/356984/cti (VDB-356984 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/792865 (Submit #792865 | Tenda F451_kfw_V1.0.0.7_cn_svn7958 V1.0.0.7 Buffer Overflow) third-party-advisory

github.com/Jimi-Lab/cve/issues/12 exploit issue-tracking

www.tenda.com.cn/ product

cve.org (CVE-2026-6121)

nvd.nist.gov (CVE-2026-6121)

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