How severe is CVE-2015-7259?

CVE-2015-7259 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-2015-7259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7259?

CVE-2015-7259 primarily affects Zte Zxv10 W300 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7259?

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-2015-7259 published?

CVE-2015-7259 was published on 2017-08-24 and last updated on 2026-06-17.

CVE-2015-7259

CVE-2015-7259 is a high-severity vulnerability in Zte Zxv10 W300 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-255.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Zte Zxv10 W300 Firmware
Published: 2017-08-24
Last modified: 2026-06-17

Description

ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow user accounts to have multiple valid username and password pairs, which allows remote authenticated users to login to a target account via any of its username and password pairs.

Frequently asked questions

What is CVE-2015-7259?: ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow user accounts to have multiple valid username and password pairs, which allows remote authenticated users to login to a target account via any of its username and password pairs.
How severe is CVE-2015-7259?: CVE-2015-7259 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-2015-7259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7259?: CVE-2015-7259 primarily affects Zte Zxv10 W300 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7259?: 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-2015-7259 published?: CVE-2015-7259 was published on 2017-08-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:zte:zxv10_w300_firmware:w300v2.1.0f_er7_pe_o57:*:*:*:*:*:*:*
cpe:2.3:o:zte:zxv10_w300_firmware:w300v2.1.0h_er7_pe_o57:*:*:*:*:*:*:*

More vulnerabilities in Zte Zxv10 W300 Firmware

CVE-2015-7258 — High (CVSS 8.8): ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated users to obtain…
CVE-2014-4018 — High (CVSS 7.8): The ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK has a default password of admin for the admin account, which…
CVE-2014-4019 — High (CVSS 7.5): ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK stores sensitive information under the web root with…
CVE-2015-7257 — High (CVSS 7.5): ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated…
CVE-2014-4155 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in the ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK allows…
CVE-2015-8703 — Medium (CVSS 6.5): ZTE ZXHN H108N R1A devices before ZTE.bhs.ZXHNH108NR1A.k_PE and ZXV10 W300 devices W300V1.0.0f_ER1_PE allow remote…

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