How severe is CVE-2026-1690?

CVE-2026-1690 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1690 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1690?

CVE-2026-1690 affects Tenda Hg10 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1690?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1690 have an EU (EUVD) identifier?

Yes. CVE-2026-1690 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5019.

When was CVE-2026-1690 published?

CVE-2026-1690 was published on 2026-01-30 and last updated on 2026-06-17.

CVE-2026-1690

CVE-2026-1690 is a medium-severity vulnerability in Tenda Hg10 Firmware with a CVSS 3.x base score of 4.7. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 5.8
CVSS v4: 2.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5019
Weakness: CWE-74
Affected product: Tenda Hg10 Firmware
Published: 2026-01-30
Last modified: 2026-06-17

Description

A flaw has been found in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. This affects the function system of the file /boaform/formSysCmd. This manipulation of the argument sysCmd causes command injection. The attack may be initiated remotely. The exploit has been published and may be used.

Frequently asked questions

What is CVE-2026-1690?: A flaw has been found in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. This affects the function system of the file /boaform/formSysCmd. This manipulation of the argument sysCmd causes command injection. The attack may be initiated remotely. The exploit has been published and may be used.
How severe is CVE-2026-1690?: CVE-2026-1690 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1690 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1690?: CVE-2026-1690 affects Tenda Hg10 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1690?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1690 have an EU (EUVD) identifier?: Yes. CVE-2026-1690 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5019.
When was CVE-2026-1690 published?: CVE-2026-1690 was published on 2026-01-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:hg10_firmware:-:*:*:*:*:*:*:*

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