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Description

A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.

PUBLISHED Reserved 2026-03-30 | Published 2026-03-30 | Updated 2026-04-02 | 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

1.0.0.1
affected

Timeline

2026-03-30:Advisory disclosed
2026-03-30:VulDB entry created
2026-03-30:VulDB entry last update

Credits

LtzHust2 (VulDB User) reporter

References

vuldb.com/vuln/354187 (VDB-354187 | Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/354187/cti (VDB-354187 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/780207 (Submit #780207 | Tenda CH22 V1.0.0.1 Stack-based Buffer Overflow) third-party-advisory

github.com/...heng/vuldb_new/blob/main/CH22/vul_47/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-5155)

nvd.nist.gov (CVE-2026-5155)

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