CVE-2026-6988
CVE-2026-6988 is a high-severity vulnerability in Tenda Hg10 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- CVSS v4: 7.4
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-25664
- Weakness: CWE-119
- Affected product: Tenda Hg10 Firmware
- Published:
- Last modified:
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.
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.
- How severe is CVE-2026-6988?
- CVE-2026-6988 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-6988 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-6988?
- CVE-2026-6988 affects Tenda Hg10 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-6988?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-6988 have an EU (EUVD) identifier?
- Yes. CVE-2026-6988 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25664.
- When was CVE-2026-6988 published?
- CVE-2026-6988 was published on 2026-04-25 and last updated on 2026-06-17.
References
- https://github.com/xyh4ck/iot_poc/blob/main/Tenda/HG10/01_Buffer_Overflow_nextHop/README.md
- https://vuldb.com/submit/796427
- https://vuldb.com/vuln/359540
- https://vuldb.com/vuln/359540/cti
- https://www.tenda.com.cn/
Affected products (1)
- cpe:2.3:o:tenda:hg10_firmware:300001138:*:*:*:*:*:*:*
More vulnerabilities in Tenda Hg10 Firmware
- CVE-2026-1689 — High (CVSS 7.3): A vulnerability was detected in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. The impacted element is the function…
- CVE-2026-1687 — High (CVSS 7.3): A weakness has been identified in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. Impacted is an unknown function of…
- CVE-2026-1690 — Medium (CVSS 4.7): A flaw has been found in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. This affects the function system of the file…
All CVEs affecting Tenda Hg10 Firmware →
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