CVE-2017-18378
CVE-2017-18378 is a high-severity vulnerability in Netgear Readynas Surveillance Firmware with a CVSS 3.x base score of 8.4. 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-77.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- CVSS v2: 7.5
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Netgear Readynas Surveillance Firmware
- Published:
- Last modified:
Description
In NETGEAR ReadyNAS Surveillance before 1.4.3-17 x86 and before 1.1.4-7 ARM, $_GET['uploaddir'] is not escaped and is passed to system() through $tmp_upload_dir, leading to upgrade_handle.php?cmd=writeuploaddir remote command execution.
Frequently asked questions
- What is CVE-2017-18378?
- In NETGEAR ReadyNAS Surveillance before 1.4.3-17 x86 and before 1.1.4-7 ARM, $_GET['uploaddir'] is not escaped and is passed to system() through $tmp_upload_dir, leading to upgrade_handle.php?cmd=writeuploaddir remote command execution.
- How severe is CVE-2017-18378?
- CVE-2017-18378 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-18378 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-18378?
- CVE-2017-18378 primarily affects Netgear Readynas Surveillance 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-2017-18378?
- 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-2017-18378 published?
- CVE-2017-18378 was published on 2019-06-11 and last updated on 2026-06-17.
References
- https://kb.netgear.com/000049072/Security-Advisory-for-Command-Injection-in-ReadyNAS-Surveillance-Application-PSV-2017-2653
- https://www.exploit-db.com/exploits/42956
Affected products (2)
- cpe:2.3:o:netgear:readynas_surveillance_firmware:*:*:*:*:*:*:arm:*
- cpe:2.3:o:netgear:readynas_surveillance_firmware:*:*:*:*:*:*:x86:*
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