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CVE-2025-13735— Out-of-bounds Read in nr flc

Quick assessment

Affected
ASR Lapwing_Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ASR Lapwing_Linux是中国翱捷（ASR）公司的一个设备固件。 ASR Lapwing_Linux 2025年11月26日之前版本存在安全漏洞，该漏洞源于nr_fw模块中存在越界读取。

CVSS 7.4 · High EPSS 0.20% · P9
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I. Basic Information for CVE-2025-13735

Vulnerability Information
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Vulnerability Title
Out-of-bounds Read in nr flc
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Read vulnerability in ASR1903、ASR3901 in ASR Lapwing_Linux on Linux (nr_fw modules). This vulnerability is associated with program files Code/nr_fw/DLP/src/NrCgi.C. This issue affects Lapwing_Linux: before 2025/11/26.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
ASR Lapwing_Linux 安全漏洞
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 2025年11月26日之前版本存在安全漏洞，该漏洞源于nr_fw模块中存在越界读取。
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 0 ~ 2025/11/26 -

II. Public POCs for CVE-2025-13735

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III. Intelligence Information for CVE-2025-13735

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IV. Related Vulnerabilities

Same product: Lapwing_Linux
Same vendor: ASR
Same weakness: CWE-125

V. Comments for CVE-2025-13735

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