CVE-2026-6988

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0008

Probability of exploitation

0.23%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
tenda	hg10_firmware	All
tenda	hg10	All

References

Exploits

https://github.com/xyh4ck/iot_poc/blob/main/Tenda/HG10/01_Buffer_Overflow_nextHop/README.md

Other References

https://vuldb.com/submit/796427 https://vuldb.com/vuln/359540 https://vuldb.com/vuln/359540/cti https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2026-6988? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-6988? +

CVE-2026-6988 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0008, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-6988? +

CVE-2026-6988 affects products from tenda, specifically: hg10, hg10_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-6988? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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