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Description

A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.

PUBLISHED Reserved 2025-11-19 | Published 2025-11-19 | Updated 2025-11-20 | 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

Buffer Overflow

Memory Corruption

Product status

1.0.0.1
affected

Timeline

2025-11-19:Advisory disclosed
2025-11-19:VulDB entry created
2025-11-19:VulDB entry last update

Credits

Li Hu (VulDB User) reporter

References

vuldb.com/?id.332926 (VDB-332926 | Tenda CH22 WrlExtraGet formWrlExtraGet buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.332926 (VDB-332926 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.692145 (Submit #692145 | Tenda CH22 V1.0.0.1 Buffer Overflow) third-party-advisory

github.com/f000x0/cve/issues/14 exploit issue-tracking

www.tenda.com.cn/ product

cve.org (CVE-2025-13400)

nvd.nist.gov (CVE-2025-13400)

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