CVE-2019-15513
CVE-2019-15513 is a high-severity vulnerability in Openwrt Libuci with a CVSS 3.x base score of 7.5. 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-667.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.8
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-667
- Affected product: Openwrt Libuci
- Published:
- Last modified:
Description
An issue was discovered in OpenWrt libuci (aka Library for the Unified Configuration Interface) before 15.05.1 as used on Motorola CX2L MWR04L 1.01 and C1 MWR03 1.01 devices. /tmp/.uci/network locking is mishandled after reception of a long SetWanSettings command, leading to a device hang.
Frequently asked questions
- What is CVE-2019-15513?
- An issue was discovered in OpenWrt libuci (aka Library for the Unified Configuration Interface) before 15.05.1 as used on Motorola CX2L MWR04L 1.01 and C1 MWR03 1.01 devices. /tmp/.uci/network locking is mishandled after reception of a long SetWanSettings command, leading to a device hang.
- How severe is CVE-2019-15513?
- CVE-2019-15513 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2019-15513 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-15513?
- CVE-2019-15513 primarily affects Openwrt Libuci. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-15513?
- 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-2019-15513 published?
- CVE-2019-15513 was published on 2019-08-23 and last updated on 2026-06-17.
References
- https://git.openwrt.org/?p=project/uci.git%3Ba=commitdiff%3Bh=19e29ffc15dbd958e8e6a648ee0982c68353516f
- https://github.com/TeamSeri0us/pocs/blob/master/iot/morouter/motorola%E8%B7%AF%E7%94%B1%E5%99%A8%E6%96%87%E4%BB%B6%E8%A7%A3%E9%94%81%E6%BC%8F%E6%B4%9E.pdf
- https://lists.infradead.org/pipermail/openwrt-devel/2019-November/019736.html
- https://lists.openwrt.org/pipermail/openwrt-devel/2019-November/025453.html
Affected products (3)
- cpe:2.3:a:openwrt:libuci:-:*:*:*:*:*:*:*
- cpe:2.3:o:motorola:cx2l_mwr04l_firmware:1.01:*:*:*:*:*:*:*
- cpe:2.3:o:motorola:c1_mwr03_firmware:1.01:*:*:*:*:*:*:*
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