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Description

A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

PUBLISHED Reserved 2026-02-23 | Published 2026-02-23 | Updated 2026-02-23 | 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

16.03.34.06
affected

Timeline

2026-02-23:Advisory disclosed
2026-02-23:VulDB entry created
2026-02-23:VulDB entry last update

Credits

942384053 (VulDB User) reporter

References

vuldb.com/?id.347400 (VDB-347400 | Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.347400 (VDB-347400 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.757240 (Submit #757240 | Tenda AC8V4 V16.03.34.06 Stack-based Buffer Overflow) third-party-advisory

github.com/master-abc/cve/issues/43 exploit issue-tracking

www.tenda.com.cn/ product

cve.org (CVE-2026-3044)

nvd.nist.gov (CVE-2026-3044)

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