Release Notes for Smart-UPS Ultra 5-20 kW Firmware v2.5.4.4

[SwathiNaidu]

Affected Revision Levels

Component	File	Details
Smart-UPS Ultra 5-20 kW Application	apc_hw21_sucan_2-5-4-4.nmc3	UPS Application for Smart-UPS Ultra 5-20 kW.

For details on upgrading the UPS Network Management Card 3 (NMC 3) firmware, see the NMC3 User Guide.

NOTE: If you upgrade to firmware version 2.0 or later, you cannot downgrade to a firmware version lower than 2.0

If you downgrade from firmware version 2.4+ or later to a firmware version lower than 2.4, this will cause the card to be formatted, erasing all security certificates, encryption keys, configuration settings, and the event and data logs.

New Features

New Feature

There is no new feature in this release.

Fixed Issues

Fixed Issue	UPS Family
	SRTL Devices	SRYL Devices
DHCPv6 no longer intermittently reboots when the network interface starts or when the Ethernet cable is reseated.	♦	♦
You can now send emails as expected if the SMTP server uses an IPv6 address.	♦	♦
Security Update
The following third-party components (open source or proprietary) have been updated to address cybersecurity vulnerabilities: RADIUS Protocol under RFC 2865 - CVE-2024-3596 Implemented support for the Message-Authenticator attribute.	♦	♦
The following security vulnerability has been addressed in this release: CWE-1285: Improper Validation of Specified Index, Position, or Offset in Input Fixed an improper user input validation.	♦	♦

Known Issues

Known Issue	UPS Family
	SRTL Devices	SRYL Devices
After updating the NMC’s firmware via a USB flash drive, the USB is not recognized in the display or NMC Web UI.	♦	♦
Some pages in the Web UI help are not updated.	♦	♦
It can take up to 30 minutes to complete a UPS firmware upgrade when using HTTPS. To workaround this, use SCP as an alternative.	♦	♦
When a UPS firmware upgrade is in progress, the upsAdvcontrolFirmwareUpdate SNMP OID incorrectly reports the value as “noFirmwareUpdate” instead of “UpdateinProgress”.	♦	♦
Filtering by time does not work for the Power Event Log.	♦	♦
Entering unsupported commands in the Command Line Interface (CLI) does not return a E102 Parameter error.	♦	♦
The alarm description is shown incorrectly in DCE for outlet group-related alarms.	♦
You cannot unzip the debug file completely from a USB drive. This issue is seen intermittently.	♦
During the Setup Wizard, when selecting output voltage, the UPS may incorrectly indicate the input voltage present causing a warning on the display that can be dismissed.		♦
You are unable to configure some OIDs upsAdvConfigAlarmRedundancy, upsAdvConfigHighBypassLLTransferVolt, upsAdvConfigLowBypassLLTransferVolt from SNMP interface.		♦
Only alphanumeric passwords are supported for new users created in the NMC for access to the display.		♦
When an internal or external Battery Module is connected or disconnected from its slot, the Event Log entry does not report its serial number.		♦
You cannot make configuration changes via the display when RADIUS is enabled and the User Mode is set to “Authentication Needed”.		♦
The option to cancel or mute a UPS audible alarm is not present in the Web UI.		♦
The ups -s start CLI command is unsuccessful even when the self-test is started correctly.		♦
There is no option to set the language of the display in the NMC Web UI.		♦
There is no option in the Web UI or the display to cancel a UPS audible alarm test. It is not recommended to initiate a continuous alarm as the only way to stop the UPS beeping is to turn off the UPS.		♦
You cannot modify the output voltage setting from the SNMP interface if the output is in Manual Bypass.		♦
The “Minimum Redundancy lost" event is not displayed in PowerChute Network Shutdown although it is supported by the NMC. If this event occurs, the server will not shutdown.		♦

Hash Signatures

Signatures	apc_hw21_sucan_2-5-4-4.exe
CRC32	838F7712
CRC64	F48DC5D0BD7DC82A
SHA-256	29FF03055F8294FF1FAF1C3DC75AC5F32397400DD1B4CC04218FE52231F2C924
SHA-1	2276991CA327CDF3324D2F3EA3535BD5529B390F
BLAKE2sp	495827C7120FFA7E6D4C49EA2677417A60BEEB108A537A6AF57AFC2B0EBD88CE