How severe is CVE-2017-17221?

CVE-2017-17221 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-2017-17221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17221?

CVE-2017-17221 primarily affects Huawei Espace 7950 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-17221?

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.

When was CVE-2017-17221 published?

CVE-2017-17221 was published on 2018-03-09 and last updated on 2026-06-17.

CVE-2017-17221

CVE-2017-17221 is a high-severity vulnerability in Huawei Espace 7950 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Espace 7950 Firmware
Published: 2018-03-09
Last modified: 2026-06-17

Description

Import Signal Tone function in Huawei eSpace 7950 V200R003C30; eSpace 8950 V200R003C00; V200R003C30 has a remote code execution vulnerability. An authenticated, remote attacker can craft and send the packets to the affected products after the Signal Tone is uploaded. Due to insufficient verification of the packets, this could be exploited to execute arbitrary code.

Frequently asked questions

What is CVE-2017-17221?: Import Signal Tone function in Huawei eSpace 7950 V200R003C30; eSpace 8950 V200R003C00; V200R003C30 has a remote code execution vulnerability. An authenticated, remote attacker can craft and send the packets to the affected products after the Signal Tone is uploaded. Due to insufficient verification of the packets, this could be exploited to execute arbitrary code.
How severe is CVE-2017-17221?: CVE-2017-17221 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-2017-17221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17221?: CVE-2017-17221 primarily affects Huawei Espace 7950 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-17221?: 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.
When was CVE-2017-17221 published?: CVE-2017-17221 was published on 2018-03-09 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/2018/huawei-sa-20180131-01-espace-en

Affected products (3)

cpe:2.3:o:huawei:espace_7950_firmware:v200r003c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:espace_8950_firmware:v200r003c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:espace_8950_firmware:v200r003c30:*:*:*:*:*:*:*

More vulnerabilities in Huawei Espace 7950 Firmware

CVE-2017-17223 — High (CVSS 8.8): Huawei eSpace 7910 V200R003C30; eSpace 7950 V200R003C30; eSpace 8950 V200R003C00; V200R003C30 have a directory…
CVE-2017-17222 — High (CVSS 8.8): Import Language Package function in Huawei eSpace 7950 V200R003C30; eSpace 8950 V200R003C00; V200R003C30 has a remote…
CVE-2017-2722 — High (CVSS 8.8): DP300 V500R002C00,TE60 with software V100R001C01, V100R001C10, V100R003C00, V500R002C00 and V600R006C00,TP3106 with…
CVE-2018-7960 — High (CVSS 7.4): There is a SRTP icon display vulnerability in Huawei eSpace product. An unauthenticated, remote attacker launches…
CVE-2018-7958 — High (CVSS 7.4): There is an anonymous TLS cipher suites supported vulnerability in Huawei eSpace product. An unauthenticated, remote…
CVE-2018-7959 — Medium (CVSS 5.9): There is a short key vulnerability in Huawei eSpace product. An unauthenticated, remote attacker launches…

All CVEs affecting Huawei Espace 7950 Firmware →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →