How severe is CVE-2018-7356?

CVE-2018-7356 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2018-7356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7356?

CVE-2018-7356 affects Zte Zxr10 8905e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7356?

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

When was CVE-2018-7356 published?

CVE-2018-7356 was published on 2018-11-01 and last updated on 2026-06-17.

CVE-2018-7356

CVE-2018-7356 is a medium-severity vulnerability in Zte Zxr10 8905e Firmware with a CVSS 3.x base score of 5.6. 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-294.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-294
Affected product: Zte Zxr10 8905e Firmware
Published: 2018-11-01
Last modified: 2026-06-17

Description

All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which can generate easily predictable ISN, and allows remote attackers to spoof connections.

Frequently asked questions

What is CVE-2018-7356?: All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which can generate easily predictable ISN, and allows remote attackers to spoof connections.
How severe is CVE-2018-7356?: CVE-2018-7356 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2018-7356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7356?: CVE-2018-7356 affects Zte Zxr10 8905e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7356 published?: CVE-2018-7356 was published on 2018-11-01 and last updated on 2026-06-17.

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1009783

Affected products (1)

cpe:2.3:o:zte:zxr10_8905e_firmware:*:*:*:*:*:*:*:*

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