How severe is CVE-2017-10856?

CVE-2017-10856 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2017-10856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-10856?

CVE-2017-10856 primarily affects Seil B1 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-10856?

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

When was CVE-2017-10856 published?

CVE-2017-10856 was published on 2017-09-15 and last updated on 2026-06-17.

CVE-2017-10856

CVE-2017-10856 is a low-severity vulnerability in Seil B1 Firmware with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Seil B1 Firmware
Published: 2017-09-15
Last modified: 2026-06-17

Description

SEIL/X 4.60 to 5.72, SEIL/B1 4.60 to 5.72, SEIL/x86 3.20 to 5.72, SEIL/BPV4 5.00 to 5.72 allows remote attackers to cause a temporary failure of the device's encrypted communications via a specially crafted packet.

Frequently asked questions

What is CVE-2017-10856?: SEIL/X 4.60 to 5.72, SEIL/B1 4.60 to 5.72, SEIL/x86 3.20 to 5.72, SEIL/BPV4 5.00 to 5.72 allows remote attackers to cause a temporary failure of the device's encrypted communications via a specially crafted packet.
How severe is CVE-2017-10856?: CVE-2017-10856 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2017-10856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-10856?: CVE-2017-10856 primarily affects Seil B1 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-10856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-10856 published?: CVE-2017-10856 was published on 2017-09-15 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:seil:b1_firmware:4.60:*:*:*:*:*:*:*
cpe:2.3:o:seil:b1_firmware:5.72:*:*:*:*:*:*:*
cpe:2.3:o:seil:bpv_4_firmware:5.00:*:*:*:*:*:*:*
cpe:2.3:o:seil:bpv_4_firmware:5.72:*:*:*:*:*:*:*
cpe:2.3:o:seil:x1_firmware:4.60:*:*:*:*:*:*:*
cpe:2.3:o:seil:x1_firmware:5.72:*:*:*:*:*:*:*
cpe:2.3:o:seil:x2_firmware:4.60:*:*:*:*:*:*:*
cpe:2.3:o:seil:x2_firmware:5.72:*:*:*:*:*:*:*
cpe:2.3:o:seil:x86_fuji_firmware:3.20:*:*:*:*:*:*:*
cpe:2.3:o:seil:x86_fuji_firmware:5.72:*:*:*:*:*:*:*

More vulnerabilities in Seil B1 Firmware

CVE-2017-2153 — High (CVSS 7.5): SEIL/x86 Fuji 1.70 to 5.62, SEIL/BPV4 5.00 to 5.62, SEIL/X1 1.30 to 5.62, SEIL/X2 1.30 to 5.62, SEIL/B1 1.00 to 5.62…
CVE-2012-2632 — Low (CVSS 2.6): SEIL routers with firmware SEIL/x86 1.00 through 2.35, SEIL/X1 2.30 through 3.75, SEIL/X2 2.30 through 3.75, and…

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