Security readout for executives and security teams
Plain-English summary
CVE-2026-27755 affects the SODOLA SL902-SWTGW124AS managed switch through firmware 200.1.20. Its web session cookie can be predicted, allowing an attacker with known or guessed credentials to create an authenticated session without completing normal login. This could expose switch administration and network configuration.
Executive priority
Treat as urgent for any deployed SODOLA SL902-SWTGW124AS switch, especially if remotely managed. Prioritize exposure reduction now, then verify firmware guidance. Lack of public exploit confirmation lowers immediacy slightly, but the critical score and management-plane impact justify fast action.
Technical view
The vulnerability is weak session identifier generation using predictable MD5-based cookies, mapped to CWE-330. The CVSS 3.1 score is 9.8, network exploitable with low complexity and high confidentiality, integrity, and availability impact. Public sources do not name a fixed firmware version.
Likely exposure
Highest risk is on switches whose management interface is reachable from untrusted networks or the internet. Internal-only management still matters because compromise could enable unauthorized configuration changes, traffic disruption, or visibility into network settings.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The issue is serious because session identifiers can be computed offline when valid credentials are known or guessed, reducing the protection normally provided by the login flow.
Researcher notes
Evidence is based on the CVE record and VulnCheck advisory. The public bundle describes predictable MD5-based session cookies and firmware through 200.1.20. It does not provide a confirmed patch, KEV status, or active exploitation evidence. Avoid assuming other Sodola models are affected without vendor confirmation.
Mitigation direction
- Check Sodola or supplier guidance for updated firmware or official mitigation.
- Remove internet exposure from the switch management interface.
- Restrict management access to trusted admin networks or VPN only.
- Change default, shared, or weak credentials immediately.
- Monitor administrative logins and configuration changes for anomalies.
Validation and detection
- Inventory SODOLA SL902-SWTGW124AS devices and record firmware versions.
- Identify devices running firmware through 200.1.20.
- Confirm management interfaces are not exposed to untrusted networks.
- Review access logs for unexpected administrative sessions or changes.
- Track vendor and CVE updates for fixed-version information.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-330: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-27755 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.sodola-network.com/products/sodola-6-port-2-5g-easy-web-managed-switch-4-x-2-5g-base-t-ports-2-x-10g-sfp-static-aggregation-qos-vlan-igmp-2-5gb-network-home-lab-switchCVE reference · product
- https://www.vulncheck.com/advisories/sodola-sl902-swtgw124as-predictable-session-idCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Insufficiently Random Values
Use of Insufficiently Random Values represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.