ICSA-26-134-14: Siemens SENTRON 7KT PAC1261 Data Manager
CISA advisory · released 2026-05-12
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2026-05-14 (final)
CISA's summary
Summary: The web server in SENTRON 7KT PAC1261 Data Manager Before V2.1.0 contains a request smuggling vulnerability in the Go Project's net/http package that could allow an attacker to retrieve authorization tokens that can be used to gain administrative control over the device. Siemens has released a new version for SENTRON 7KT PAC1261 Data Manager and recommends to update to the latest version.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SENTRON 7KT PAC1261 Data Manager | vers:intdot/<2.1.0 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2025-22871 — CVE-2025-22871 · CWE-444
The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reported this vulnerability to CISA.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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