VulnerabilityAnalyzed

CVE-2026-6988

This manipulation of the argument nextHop causes buffer overflow.

HIGH 7.4EPSS 0.62%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A flaw has been found in Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon. This issue affects the function formRoute of the file /boaform/formRouting of the component Boa Service. This manipulation of the argument nextHop causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

CVSS 4.0: 7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.62% probability · 48th percentile
CISA KEV: Not listed
Weakness: CWE-119, CWE-120
Affected: tenda/hg10 firmware
Source: cna@vuldb.com

References

https://github.com/xyh4ck/iot_poc/blob/main/Tenda/HG10/01_Buffer_Overflow_nextHop/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/796427Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359540Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359540/ctiPermissions Required, VDB Entry
https://www.tenda.com.cn/Product

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.