CVE-2023-2790
Totolink N200Re Firmware 9.3.5u.6255_b20211224
Raw vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-2790 is a low-severity Password in Configuration File (CWE-260) vulnerability in Totolink N200Re Firmware. Its CVSS base score is 2.3 (Low).
Operationally, exploitation aligns with the MITRE ATT&CK technique LSA Secrets (T1003.004); ranked at the 19th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-34246
Vulnerability Data
A vulnerability classified as problematic has been found in TOTOLINK N200RE 9.3.5u.6255_B20211224. Affected is an unknown function of the file /squashfs-root/etc_ro/custom.conf of the component Telnet Service. The manipulation leads to password in configuration file. It is possible to launch the…
more
attack on the local host. The exploit has been disclosed to the public and may be used. VDB-229374 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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- 1 hardening rule · 1 OS baseline
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Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Least-privilege file permissions can limit access to the config but do not address the stored secret itself.
Encrypting or restricting data-at-rest directly prevents readable passwords in config files.
Secure configuration baselines explicitly disallow plaintext secrets in files.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Directly requires secure generation, storage and handling of authentication secrets, preventing passwords in config files.
Secure coding standards discourage hard-coded credentials, reducing the likelihood of passwords in configuration files.
Mandates secure authentication mechanisms and secret management, mitigating exposure of passwords in configuration files.
Configuration management processes can enforce removal of secrets from config files, but the control is broader.
Hardening callouts derived
Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (higher-evidence rows only; rows rated `none` are excluded).
RHEL 7 (1 rule)
- V-204620 The Red Hat Enterprise Linux operating system must not have a File Transfer Protocol (FTP) server package installed unless needed. blocks CWE-260