CVE-2026-7257
CVE-2026-7257 is a medium-severity vulnerability in Zyxel Wre6505 Firmware with a CVSS 3.x base score of 4.4. 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-922.
Key facts
- Severity: Medium (CVSS 3.x base score 4.4)
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29377
- Weakness: CWE-922
- Affected product: Zyxel Wre6505 Firmware
- Published:
- Last modified:
Description
** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.
Frequently asked questions
- What is CVE-2026-7257?
- ** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacker with administrator privileges to download and decrypt a backup configuration file.
- How severe is CVE-2026-7257?
- CVE-2026-7257 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-7257 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-7257?
- CVE-2026-7257 affects Zyxel Wre6505 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-7257?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-7257 have an EU (EUVD) identifier?
- Yes. CVE-2026-7257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29377.
- When was CVE-2026-7257 published?
- CVE-2026-7257 was published on 2026-05-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zyxel:wre6505_firmware:v1.00\(abdv.3\)c0:*:*:*:*:*:*:*
More vulnerabilities in Zyxel Wre6505 Firmware
- CVE-2017-7964 — Critical (CVSS 10.0): Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for…
- CVE-2026-7256 — High (CVSS 8.8): ** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware…
- CVE-2026-7255 — Medium (CVSS 6.5): ** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web…
- CVE-2026-6058 — Medium (CVSS 4.5): ** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2…
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