CVE-2025-15356 | THREATINT

Description

A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The impacted element is the function sscanf of the file /goform/PowerSaveSet. The manipulation of the argument powerSavingEn/time/powerSaveDelay/ledCloseType leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

PUBLISHED Reserved 2025-12-30 | Published 2025-12-30 | Updated 2025-12-30 | 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

16.03.08.0

affected

16.03.08.1

affected

16.03.08.2

affected

16.03.08.3

affected

16.03.08.4

affected

16.03.08.5

affected

16.03.08.6

affected

16.03.08.7

affected

16.03.08.8

affected

16.03.08.9

affected

16.03.08.10

affected

16.03.08.11

affected

16.03.08.12

affected

Timeline

2025-12-30:	Advisory disclosed
2025-12-30:	VulDB entry created
2025-12-30:	VulDB entry last update

Credits

xuanyu (VulDB User) reporter

References

vuldb.com/?id.338742 (VDB-338742 | Tenda AC20 PowerSaveSet sscanf buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.338742 (VDB-338742 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.726360 (Submit #726360 | Tenda Tenda AC20 V16.03.08.12 Buffer Overflow) third-party-advisory

github.com/...k/iot_poc/tree/main/Tenda AC20_Buffer_Overflow exploit

github.com/..._Buffer_Overflow/Tenda AC20_Buffer_Overflow.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2025-15356)

nvd.nist.gov (CVE-2025-15356)

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