CVE-2026-42800— Deference after null check in ims_client sip
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I. Basic Information for CVE-2026-42800
Vulnerability Information
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Vulnerability Title
Deference after null check in ims_client sip
Source: NVD (National Vulnerability Database)
Vulnerability Description
NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation. This vulnerability is associated with program files sip/utils/src/sipuri.c.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
ASR Lapwing_Linux 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ASR Lapwing_Linux是中国翱捷（ASR）公司的一个设备固件。 ASR Lapwing_Linux存在代码问题漏洞，该漏洞源于ims_client模块存在空指针取消引用，可能导致指针操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ASR | Lapwing_Linux | - | - |
II. Public POCs for CVE-2026-42800
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Lapwing_Linux
Same weakness: CWE-476
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