High severity · published Apr 25, 2026
CVE-2026-6988
Tenda HG10 Boa Service formRouting formRoute buffer overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HG
HG10 · Tenda
HG7_HG9_HG10re_300001138_en_xpon · source: vendor
HF
Hg10 Firmware · Tenda
300001138 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6988
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6988
Exploit
https://github.com/xyh4ck/iot_poc/blob/main/Tenda/HG10/01_Buffer_Overflow_nextHop/README.md
Third Party Advisory
https://vuldb.com/submit/796427
Third Party Advisory
https://vuldb.com/vuln/359540
Permissions Required
https://vuldb.com/vuln/359540/cti
Product
https://www.tenda.com.cn/
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